<?xml version="1.0" encoding ="UTF-8"?><link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrldt="http://xbrl.org/2005/xbrldt"><link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link"><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssets" xlink:label="NoncurrentAssets" xlink:title="NoncurrentAssets"/><link:label xlink:type="resource" xlink:label="label_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="NoncurrentAssets_Label" xml:lang="it">Attività non correnti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncurrentAssets" xlink:to="label_NoncurrentAssets" xlink:title="Label: NoncurrentAssets to label_NoncurrentAssets"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="CashAndCashEquivalents" xlink:title="CashAndCashEquivalents"/><link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="CashAndCashEquivalents_Label" xml:lang="it">Disponibilità liquide e mezzi equivalenti all'inizio del periodo</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalents" xlink:to="label_CashAndCashEquivalents" xlink:title="Label: CashAndCashEquivalents to label_CashAndCashEquivalents"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="CashAndCashEquivalents_2" xlink:title="CashAndCashEquivalents_2"/><link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalents_2" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="CashAndCashEquivalents_2_Label" xml:lang="it">Disponibilità liquide e mezzi equivalenti alla fine del periodo</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalents_2" xlink:to="label_CashAndCashEquivalents_2" xlink:title="Label: CashAndCashEquivalents_2 to label_CashAndCashEquivalents_2"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentAssets" xlink:label="CurrentAssets" xlink:title="CurrentAssets"/><link:label xlink:type="resource" xlink:label="label_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="CurrentAssets_Label" xml:lang="it">Attività correnti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentAssets" xlink:to="label_CurrentAssets" xlink:title="Label: CurrentAssets to label_CurrentAssets"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_RetainedEarningsExcludingProfitLossForReportingPeriod" xlink:label="RetainedEarningsExcludingProfitLossForReportingPeriod" xlink:title="RetainedEarningsExcludingProfitLossForReportingPeriod"/><link:label xlink:type="resource" xlink:label="label_RetainedEarningsExcludingProfitLossForReportingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="RetainedEarningsExcludingProfitLossForReportingPeriod_Label" xml:lang="it">Utili portati a nuovo, esclusi utili (perdite) per il periodo di riferimento</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsExcludingProfitLossForReportingPeriod" xlink:to="label_RetainedEarningsExcludingProfitLossForReportingPeriod" xlink:title="Label: RetainedEarningsExcludingProfitLossForReportingPeriod to label_RetainedEarningsExcludingProfitLossForReportingPeriod"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_RetainedEarningsProfitLossForReportingPeriod" xlink:label="RetainedEarningsProfitLossForReportingPeriod" xlink:title="RetainedEarningsProfitLossForReportingPeriod"/><link:label xlink:type="resource" xlink:label="label_RetainedEarningsProfitLossForReportingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="RetainedEarningsProfitLossForReportingPeriod_Label" xml:lang="it">Utili portati a nuovo, utili (perdite) per il periodo di riferimento</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsProfitLossForReportingPeriod" xlink:to="label_RetainedEarningsProfitLossForReportingPeriod" xlink:title="Label: RetainedEarningsProfitLossForReportingPeriod to label_RetainedEarningsProfitLossForReportingPeriod"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAttributableToOwnersOfParent" xlink:label="EquityAttributableToOwnersOfParent" xlink:title="EquityAttributableToOwnersOfParent"/><link:label xlink:type="resource" xlink:label="label_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="EquityAttributableToOwnersOfParent_Label" xml:lang="it">Patrimonio netto attribuibile ai soci della controllante</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityAttributableToOwnersOfParent" xlink:to="label_EquityAttributableToOwnersOfParent" xlink:title="Label: EquityAttributableToOwnersOfParent to label_EquityAttributableToOwnersOfParent"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_NonControllingInterestsExcludingProfitLossForReportingPeriod" xlink:label="NonControllingInterestsExcludingProfitLossForReportingPeriod" xlink:title="NonControllingInterestsExcludingProfitLossForReportingPeriod"/><link:label xlink:type="resource" xlink:label="label_NonControllingInterestsExcludingProfitLossForReportingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="NonControllingInterestsExcludingProfitLossForReportingPeriod_Label" xml:lang="it">Partecipazioni di minoranza, escluso l'utile (perdita) del periodo di riferimento</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonControllingInterestsExcludingProfitLossForReportingPeriod" xlink:to="label_NonControllingInterestsExcludingProfitLossForReportingPeriod" xlink:title="Label: NonControllingInterestsExcludingProfitLossForReportingPeriod to label_NonControllingInterestsExcludingProfitLossForReportingPeriod"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_NonControllingInterestsProfitLossForReportingPeriod" xlink:label="NonControllingInterestsProfitLossForReportingPeriod" xlink:title="NonControllingInterestsProfitLossForReportingPeriod"/><link:label xlink:type="resource" xlink:label="label_NonControllingInterestsProfitLossForReportingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="NonControllingInterestsProfitLossForReportingPeriod_Label" xml:lang="it">Interessi di minoranza, utile (perdita) del periodo di rendicontazione</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonControllingInterestsProfitLossForReportingPeriod" xlink:to="label_NonControllingInterestsProfitLossForReportingPeriod" xlink:title="Label: NonControllingInterestsProfitLossForReportingPeriod to label_NonControllingInterestsProfitLossForReportingPeriod"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncontrollingInterests" xlink:label="NoncontrollingInterests" xlink:title="NoncontrollingInterests"/><link:label xlink:type="resource" xlink:label="label_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="NoncontrollingInterests_Label" xml:lang="it">Partecipazioni di minoranza</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncontrollingInterests" xlink:to="label_NoncontrollingInterests" xlink:title="Label: NoncontrollingInterests to label_NoncontrollingInterests"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Equity" xlink:label="Equity" xlink:title="Equity"/><link:label xlink:type="resource" xlink:label="label_Equity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="Equity_Label" xml:lang="it">Patrimonio netto all'inizio del periodo</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Equity" xlink:to="label_Equity" xlink:title="Label: Equity to label_Equity"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Equity" xlink:label="Equity_2" xlink:title="Equity_2"/><link:label xlink:type="resource" xlink:label="label_Equity_2" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="Equity_2_Label" xml:lang="it">Patrimonio netto a fine periodo</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Equity_2" xlink:to="label_Equity_2" xlink:title="Label: Equity_2 to label_Equity_2"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="NoncurrentLiabilities" xlink:title="NoncurrentLiabilities"/><link:label xlink:type="resource" xlink:label="label_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="NoncurrentLiabilities_Label" xml:lang="it">Passività non correnti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncurrentLiabilities" xlink:to="label_NoncurrentLiabilities" xlink:title="Label: NoncurrentLiabilities to label_NoncurrentLiabilities"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLiabilities" xlink:label="CurrentLiabilities" xlink:title="CurrentLiabilities"/><link:label xlink:type="resource" xlink:label="label_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="CurrentLiabilities_Label" xml:lang="it">Passività correnti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentLiabilities" xlink:to="label_CurrentLiabilities" xlink:title="Label: CurrentLiabilities to label_CurrentLiabilities"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="EquityAndLiabilities" xlink:title="EquityAndLiabilities"/><link:label xlink:type="resource" xlink:label="label_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="EquityAndLiabilities_Label" xml:lang="it">Patrimonio netto e passività</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityAndLiabilities" xlink:to="label_EquityAndLiabilities" xlink:title="Label: EquityAndLiabilities to label_EquityAndLiabilities"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueAndOperatingIncome" xlink:label="RevenueAndOperatingIncome" xlink:title="RevenueAndOperatingIncome"/><link:label xlink:type="resource" xlink:label="label_RevenueAndOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="RevenueAndOperatingIncome_Label" xml:lang="it">Ricavi e altri ricavi operativi</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueAndOperatingIncome" xlink:to="label_RevenueAndOperatingIncome" xlink:title="Label: RevenueAndOperatingIncome to label_RevenueAndOperatingIncome"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgress" xlink:label="RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgress" xlink:title="RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgress"/><link:label xlink:type="resource" xlink:label="label_RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgress" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgress_Label" xml:lang="it">Materie prime e materiali di consumo utilizzati e Diminuzione (aumento) delle rimanenze di prodotti finiti e prodotti in corso di lavorazione</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgress" xlink:to="label_RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgress" xlink:title="Label: RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgress to label_RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgress"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgressNonRecurring" xlink:label="RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgressNonRecurring" xlink:title="RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgressNonRecurring"/><link:label xlink:type="resource" xlink:label="label_RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgressNonRecurring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgressNonRecurring_Label" xml:lang="it">Materie prime e materiali di consumo utilizzati e Diminuzione (aumento) delle rimanenze di prodotti finiti e prodotti in corso di lavorazione, non ricorrenti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgressNonRecurring" xlink:to="label_RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgressNonRecurring" xlink:title="Label: RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgressNonRecurring to label_RawMaterialsAndConsumablesUsedAndChangesInInventoriesOfFinishedGoodsAndWorkInProgressNonRecurring"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_ServicesExpenseNonRecurring" xlink:label="ServicesExpenseNonRecurring" xlink:title="ServicesExpenseNonRecurring"/><link:label xlink:type="resource" xlink:label="label_ServicesExpenseNonRecurring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ServicesExpenseNonRecurring_Label" xml:lang="it">Costi per servizi, non ricorrenti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ServicesExpenseNonRecurring" xlink:to="label_ServicesExpenseNonRecurring" xlink:title="Label: ServicesExpenseNonRecurring to label_ServicesExpenseNonRecurring"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_EmployeeBenefitsExpenseNonRecurring" xlink:label="EmployeeBenefitsExpenseNonRecurring" xlink:title="EmployeeBenefitsExpenseNonRecurring"/><link:label xlink:type="resource" xlink:label="label_EmployeeBenefitsExpenseNonRecurring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="EmployeeBenefitsExpenseNonRecurring_Label" xml:lang="it">Costi per benefici per i dipendenti, non ricorrenti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeeBenefitsExpenseNonRecurring" xlink:to="label_EmployeeBenefitsExpenseNonRecurring" xlink:title="Label: EmployeeBenefitsExpenseNonRecurring to label_EmployeeBenefitsExpenseNonRecurring"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_OtherExpenseByNatureNonRecurring" xlink:label="OtherExpenseByNatureNonRecurring" xlink:title="OtherExpenseByNatureNonRecurring"/><link:label xlink:type="resource" xlink:label="label_OtherExpenseByNatureNonRecurring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="OtherExpenseByNatureNonRecurring_Label" xml:lang="it">Altre spese per natura, non ricorrenti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherExpenseByNatureNonRecurring" xlink:to="label_OtherExpenseByNatureNonRecurring" xlink:title="Label: OtherExpenseByNatureNonRecurring to label_OtherExpenseByNatureNonRecurring"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethodNonRecurring" xlink:label="ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethodNonRecurring" xlink:title="ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethodNonRecurring"/><link:label xlink:type="resource" xlink:label="label_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethodNonRecurring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethodNonRecurring_Label" xml:lang="it">Quota dell'utile (perdita) di joint venture contabilizzate con il metodo del patrimonio netto, non ricorrenti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethodNonRecurring" xlink:to="label_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethodNonRecurring" xlink:title="Label: ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethodNonRecurring to label_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethodNonRecurring"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_ProvisionExpense" xlink:label="ProvisionExpense" xlink:title="ProvisionExpense"/><link:label xlink:type="resource" xlink:label="label_ProvisionExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ProvisionExpense_Label" xml:lang="it">Spese per accantonamenti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProvisionExpense" xlink:to="label_ProvisionExpense" xlink:title="Label: ProvisionExpense to label_ProvisionExpense"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_ProvisionExpenseNonRecurring" xlink:label="ProvisionExpenseNonRecurring" xlink:title="ProvisionExpenseNonRecurring"/><link:label xlink:type="resource" xlink:label="label_ProvisionExpenseNonRecurring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ProvisionExpenseNonRecurring_Label" xml:lang="it">Spese per accantonamenti, non ricorrenti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProvisionExpenseNonRecurring" xlink:to="label_ProvisionExpenseNonRecurring" xlink:title="Label: ProvisionExpenseNonRecurring to label_ProvisionExpenseNonRecurring"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="ProfitLossFromOperatingActivities" xlink:title="ProfitLossFromOperatingActivities"/><link:label xlink:type="resource" xlink:label="label_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="ProfitLossFromOperatingActivities_Label" xml:lang="it">Utile (perdita) derivante da attività operative</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProfitLossFromOperatingActivities" xlink:to="label_ProfitLossFromOperatingActivities" xlink:title="Label: ProfitLossFromOperatingActivities to label_ProfitLossFromOperatingActivities"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_FinanceCostsNonRecurring" xlink:label="FinanceCostsNonRecurring" xlink:title="FinanceCostsNonRecurring"/><link:label xlink:type="resource" xlink:label="label_FinanceCostsNonRecurring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="FinanceCostsNonRecurring_Label" xml:lang="it">Oneri finanziari, non ricorrenti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FinanceCostsNonRecurring" xlink:to="label_FinanceCostsNonRecurring" xlink:title="Label: FinanceCostsNonRecurring to label_FinanceCostsNonRecurring"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinanceIncomeCost" xlink:label="FinanceIncomeCost" xlink:title="FinanceIncomeCost"/><link:label xlink:type="resource" xlink:label="label_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="FinanceIncomeCost_Label" xml:lang="it">Proventi (oneri) finanziari</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FinanceIncomeCost" xlink:to="label_FinanceIncomeCost" xlink:title="Label: FinanceIncomeCost to label_FinanceIncomeCost"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_InvestmentIncomeNonRecurring" xlink:label="InvestmentIncomeNonRecurring" xlink:title="InvestmentIncomeNonRecurring"/><link:label xlink:type="resource" xlink:label="label_InvestmentIncomeNonRecurring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="InvestmentIncomeNonRecurring_Label" xml:lang="it">Proventi degli investimenti, non ricorrenti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentIncomeNonRecurring" xlink:to="label_InvestmentIncomeNonRecurring" xlink:title="Label: InvestmentIncomeNonRecurring to label_InvestmentIncomeNonRecurring"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ProfitLossBeforeTax" xlink:title="ProfitLossBeforeTax"/><link:label xlink:type="resource" xlink:label="label_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="ProfitLossBeforeTax_Label" xml:lang="it">Utile (perdita) prima delle imposte</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProfitLossBeforeTax" xlink:to="label_ProfitLossBeforeTax" xlink:title="Label: ProfitLossBeforeTax to label_ProfitLossBeforeTax"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_IncomeTaxExpenseContinuingOperationsNonRecurring" xlink:label="IncomeTaxExpenseContinuingOperationsNonRecurring" xlink:title="IncomeTaxExpenseContinuingOperationsNonRecurring"/><link:label xlink:type="resource" xlink:label="label_IncomeTaxExpenseContinuingOperationsNonRecurring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="IncomeTaxExpenseContinuingOperationsNonRecurring_Label" xml:lang="it">Oneri (proventi) fiscali, non ricorrenti</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxExpenseContinuingOperationsNonRecurring" xlink:to="label_IncomeTaxExpenseContinuingOperationsNonRecurring" xlink:title="Label: IncomeTaxExpenseContinuingOperationsNonRecurring to label_IncomeTaxExpenseContinuingOperationsNonRecurring"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss"/><link:label xlink:type="resource" xlink:label="label_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="ProfitLoss_Label" xml:lang="it">Utile (perdita)</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProfitLoss" xlink:to="label_ProfitLoss" xlink:title="Label: ProfitLoss to label_ProfitLoss"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:label="OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:title="OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax"/><link:label xlink:type="resource" xlink:label="label_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_Label" xml:lang="it">Altre componenti di conto economico complessivo che non saranno riclassificate nell'utile (perdita) d'esercizio, al netto delle imposte</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:to="label_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:title="Label: OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax to label_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:title="OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax"/><link:label xlink:type="resource" xlink:label="label_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_Label" xml:lang="it">Altre componenti di conto economico complessivo che saranno riclassificate nell'utile (perdita) d'esercizio, al netto delle imposte</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="label_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:title="Label: OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax to label_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="OtherComprehensiveIncome" xlink:title="OtherComprehensiveIncome"/><link:label xlink:type="resource" xlink:label="label_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="OtherComprehensiveIncome_Label" xml:lang="it">Altre componenti di conto economico complessivo</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncome" xlink:to="label_OtherComprehensiveIncome" xlink:title="Label: OtherComprehensiveIncome to label_OtherComprehensiveIncome"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ComprehensiveIncome" xlink:title="ComprehensiveIncome"/><link:label xlink:type="resource" xlink:label="label_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="ComprehensiveIncome_Label" xml:lang="it">Conto economico complessivo</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComprehensiveIncome" xlink:to="label_ComprehensiveIncome" xlink:title="Label: ComprehensiveIncome to label_ComprehensiveIncome"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:label="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:title="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital"/><link:label xlink:type="resource" xlink:label="label_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_Label" xml:lang="it">Flussi finanziari derivanti da (usati in) attività operative prima delle variazioni del capitale circolante</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="label_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:title="Label: CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital to label_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:label="AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:title="AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities"/><link:label xlink:type="resource" xlink:label="label_AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities_Label" xml:lang="it">Rettifiche per la diminuzione (aumento) delle altre attività e rettifiche per l'aumento (diminuzione) di altre passività</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:to="label_AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:title="Label: AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities to label_AdjustmentsForDecreaseIncreaseInOtherAssetsAndAdjustmentsForIncreaseDecreaseInOtherLiabilities"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="CashFlowsFromUsedInOperatingActivities" xlink:title="CashFlowsFromUsedInOperatingActivities"/><link:label xlink:type="resource" xlink:label="label_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="CashFlowsFromUsedInOperatingActivities_Label" xml:lang="it">Flussi finanziari derivanti da (usati in) attività operative</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowsFromUsedInOperatingActivities" xlink:to="label_CashFlowsFromUsedInOperatingActivities" xlink:title="Label: CashFlowsFromUsedInOperatingActivities to label_CashFlowsFromUsedInOperatingActivities"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="CashFlowsFromUsedInInvestingActivities" xlink:title="CashFlowsFromUsedInInvestingActivities"/><link:label xlink:type="resource" xlink:label="label_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="CashFlowsFromUsedInInvestingActivities_Label" xml:lang="it">Flussi finanziari derivanti da (usati in) attività di investimento</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowsFromUsedInInvestingActivities" xlink:to="label_CashFlowsFromUsedInInvestingActivities" xlink:title="Label: CashFlowsFromUsedInInvestingActivities to label_CashFlowsFromUsedInInvestingActivities"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_InterestPaidAndInterestReceivedClassifiedAsFinancingActivities" xlink:label="InterestPaidAndInterestReceivedClassifiedAsFinancingActivities" xlink:title="InterestPaidAndInterestReceivedClassifiedAsFinancingActivities"/><link:label xlink:type="resource" xlink:label="label_InterestPaidAndInterestReceivedClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="InterestPaidAndInterestReceivedClassifiedAsFinancingActivities_Label" xml:lang="it">Interessi pagati e interessi percepiti, classificati come attività di finanziamento</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestPaidAndInterestReceivedClassifiedAsFinancingActivities" xlink:to="label_InterestPaidAndInterestReceivedClassifiedAsFinancingActivities" xlink:title="Label: InterestPaidAndInterestReceivedClassifiedAsFinancingActivities to label_InterestPaidAndInterestReceivedClassifiedAsFinancingActivities"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="CashFlowsFromUsedInFinancingActivities" xlink:title="CashFlowsFromUsedInFinancingActivities"/><link:label xlink:type="resource" xlink:label="label_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="CashFlowsFromUsedInFinancingActivities_Label" xml:lang="it">Flussi finanziari derivanti da (usati in) attività di finanziamento</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="label_CashFlowsFromUsedInFinancingActivities" xlink:title="Label: CashFlowsFromUsedInFinancingActivities to label_CashFlowsFromUsedInFinancingActivities"/><link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:title="IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges"/><link:label xlink:type="resource" xlink:label="label_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_Label" xml:lang="it">Aumento (diminuzione) di disponibilità liquide e mezzi equivalenti al lordo dell'effetto delle variazioni del tasso di cambio</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="label_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:title="Label: IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges to label_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_CommonTable" xlink:label="CommonTable" xlink:title="CommonTable"/><link:label xlink:type="resource" xlink:label="label_CommonTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="CommonTable_Label" xml:lang="it">Common Table</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonTable" xlink:to="label_CommonTable" xlink:title="Label: CommonTable to label_CommonTable"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_ReserveOfIncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIfrssMember" xlink:label="ReserveOfIncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIfrssMember" xlink:title="ReserveOfIncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIfrssMember"/><link:label xlink:type="resource" xlink:label="label_ReserveOfIncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIfrssMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ReserveOfIncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIfrssMember_Label" xml:lang="it">Riserva di aumento (diminuzione) dovuto(a) ai cambiamenti di principio contabile imposti dagli IFRS [member]</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReserveOfIncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIfrssMember" xlink:to="label_ReserveOfIncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIfrssMember" xlink:title="Label: ReserveOfIncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIfrssMember to label_ReserveOfIncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIfrssMember"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_RetainedEarningsExcludingProfitLossForReportingPeriodMember" xlink:label="RetainedEarningsExcludingProfitLossForReportingPeriodMember" xlink:title="RetainedEarningsExcludingProfitLossForReportingPeriodMember"/><link:label xlink:type="resource" xlink:label="label_RetainedEarningsExcludingProfitLossForReportingPeriodMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="RetainedEarningsExcludingProfitLossForReportingPeriodMember_Label" xml:lang="it">Utili portati a nuovo, esclusi utili (perdite) per il periodo di riferimento [member]</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsExcludingProfitLossForReportingPeriodMember" xlink:to="label_RetainedEarningsExcludingProfitLossForReportingPeriodMember" xlink:title="Label: RetainedEarningsExcludingProfitLossForReportingPeriodMember to label_RetainedEarningsExcludingProfitLossForReportingPeriodMember"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_RetainedEarningsProfitLossForReportingPeriodMember" xlink:label="RetainedEarningsProfitLossForReportingPeriodMember" xlink:title="RetainedEarningsProfitLossForReportingPeriodMember"/><link:label xlink:type="resource" xlink:label="label_RetainedEarningsProfitLossForReportingPeriodMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="RetainedEarningsProfitLossForReportingPeriodMember_Label" xml:lang="it">Utili portati a nuovo, utili (perdite) per il periodo di riferimento [member]</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsProfitLossForReportingPeriodMember" xlink:to="label_RetainedEarningsProfitLossForReportingPeriodMember" xlink:title="Label: RetainedEarningsProfitLossForReportingPeriodMember to label_RetainedEarningsProfitLossForReportingPeriodMember"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_NonControllingInterestsExcludingProfitLossForReportingPeriodMember" xlink:label="NonControllingInterestsExcludingProfitLossForReportingPeriodMember" xlink:title="NonControllingInterestsExcludingProfitLossForReportingPeriodMember"/><link:label xlink:type="resource" xlink:label="label_NonControllingInterestsExcludingProfitLossForReportingPeriodMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="NonControllingInterestsExcludingProfitLossForReportingPeriodMember_Label" xml:lang="it">Partecipazioni di minoranza, escluso l'utile (perdita) del periodo di riferimento [member]</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonControllingInterestsExcludingProfitLossForReportingPeriodMember" xlink:to="label_NonControllingInterestsExcludingProfitLossForReportingPeriodMember" xlink:title="Label: NonControllingInterestsExcludingProfitLossForReportingPeriodMember to label_NonControllingInterestsExcludingProfitLossForReportingPeriodMember"/><link:loc xlink:type="locator" xlink:href="815600B9149F66E77F76-2021-12-31.xsd#TEC_NonControllingInterestsProfitLossForReportingPeriodMember" xlink:label="NonControllingInterestsProfitLossForReportingPeriodMember" xlink:title="NonControllingInterestsProfitLossForReportingPeriodMember"/><link:label xlink:type="resource" xlink:label="label_NonControllingInterestsProfitLossForReportingPeriodMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="NonControllingInterestsProfitLossForReportingPeriodMember_Label" xml:lang="it">Partecipazioni di minoranza, utile (perdita) per il periodo di riferimento [member]</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonControllingInterestsProfitLossForReportingPeriodMember" xlink:to="label_NonControllingInterestsProfitLossForReportingPeriodMember" xlink:title="Label: NonControllingInterestsProfitLossForReportingPeriodMember to label_NonControllingInterestsProfitLossForReportingPeriodMember"/></link:labelLink></link:linkbase>