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    <link:label id="lab_us-gaap_GoodwillRollForward_606B471DC340F75F406E486CB5589B34_label_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_05174CFA1F62539EA92AD698A439B834" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [Roll Forward]</link:label>
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    <link:label id="lab_trs_ConsumercustomerendmarketMember_F05D32178F0832A9AE409CC6E335B564_terseLabel_en-US" xlink:label="lab_trs_ConsumercustomerendmarketMember_F05D32178F0832A9AE409CC6E335B564" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer [Member]</link:label>
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    <link:label id="lab_trs_LetterOfCreditMaximumBorrowingCapacity_7748033C846EBB5FAC7AA31D44F95C02_label_en-US" xlink:label="lab_trs_LetterOfCreditMaximumBorrowingCapacity_7748033C846EBB5FAC7AA31D44F95C02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letter of Credit, Maximum Borrowing Capacity</link:label>
    <link:label id="lab_trs_LetterOfCreditMaximumBorrowingCapacity_7748033C846EBB5FAC7AA31D44F95C02_documentation_en-US" xlink:label="lab_trs_LetterOfCreditMaximumBorrowingCapacity_7748033C846EBB5FAC7AA31D44F95C02" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum borrowing capacity under the letters of credit.</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_8B4A36AFF7E79F324972A31D44F9B49D" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_7D7D79A3B9D177E03059A31D44F99E63" xlink:type="locator" />
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    <link:label id="lab_trs_LongTermDebtFairValueOfParValue_672019D52C89F4826FA3A31D44F9C712_label_en-US" xlink:label="lab_trs_LongTermDebtFairValueOfParValue_672019D52C89F4826FA3A31D44F9C712" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Fair Value, % of par value</link:label>
    <link:label id="lab_trs_LongTermDebtFairValueOfParValue_672019D52C89F4826FA3A31D44F9C712_documentation_en-US" xlink:label="lab_trs_LongTermDebtFairValueOfParValue_672019D52C89F4826FA3A31D44F9C712" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The fair value of long-term debt presented as a % of par value.</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_564088575BD340AEB26E486CB5450856_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_F703312AED3C58FBBDDD10CB2FBF25D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Weighted Average Number of Shares [Table Text Block]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentRedemptionPeriodFourMember_A0B5C63DC439D9B9422D189C06384B1E_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodFourMember_3CA8D8E4E3B0518588629FC6328EA3AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">October 15, 2022 and thereafter [Member]</link:label>
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