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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_13604E0FCADF23A96B967F9CBCACA89C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_B8EC4996E890DD7B82747F9CBCAC1910_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised_B8EC4996E890DD7B82747F9CBCAC1910" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from exercise of stock options</link:label>
    <link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_B8EC4996E890DD7B82747F9CBCAC1910_label_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised_B8EC4996E890DD7B82747F9CBCAC1910" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Stock Options Exercised</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_B8EC4996E890DD7B82747F9CBCAC1910" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromStockOptionsExercised_B8EC4996E890DD7B82747F9CBCAC1910" xlink:to="lab_us-gaap_ProceedsFromStockOptionsExercised_B8EC4996E890DD7B82747F9CBCAC1910" xlink:type="arc" />
    <link:label id="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9D740D918495C8109A597F9CBCACD753_terseLabel_en-US" xlink:label="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9D740D918495C8109A597F9CBCACD753" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Excess tax benefits from stock based compensation</link:label>
    <link:label id="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9D740D918495C8109A597F9CBCACD753_label_en-US" xlink:label="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9D740D918495C8109A597F9CBCACD753" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Excess Tax Benefit from Share-based Compensation, Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9D740D918495C8109A597F9CBCACD753" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9D740D918495C8109A597F9CBCACD753" xlink:to="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_9D740D918495C8109A597F9CBCACD753" xlink:type="arc" />
    <link:label id="lab_trs_PaymentsOfDistributionsNoncontrollingInterest_00A97A8FDEB110557C087F9CBCACEC2B_negatedTerseLabel_en-US" xlink:label="lab_trs_PaymentsOfDistributionsNoncontrollingInterest_00A97A8FDEB110557C087F9CBCACEC2B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Distributions to noncontrolling interests</link:label>
    <link:label id="lab_trs_PaymentsOfDistributionsNoncontrollingInterest_00A97A8FDEB110557C087F9CBCACEC2B_label_en-US" xlink:label="lab_trs_PaymentsOfDistributionsNoncontrollingInterest_00A97A8FDEB110557C087F9CBCACEC2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Distributions, Noncontrolling Interest</link:label>
    <link:label id="lab_trs_PaymentsOfDistributionsNoncontrollingInterest_00A97A8FDEB110557C087F9CBCACEC2B_documentation_en-US" xlink:label="lab_trs_PaymentsOfDistributionsNoncontrollingInterest_00A97A8FDEB110557C087F9CBCACEC2B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash outflow in the form of ordinary dividends to noncontrolling interests, generally out of earnings.</link:label>
    <link:loc xlink:href="trs-20161231.xsd#trs_PaymentsOfDistributionsNoncontrollingInterest" xlink:label="loc_trs_PaymentsOfDistributionsNoncontrollingInterest_00A97A8FDEB110557C087F9CBCACEC2B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToMinorityShareholders_6360E8EA628CA575F5CD7F9CBCAC6EA1_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToMinorityShareholders_6360E8EA628CA575F5CD7F9CBCAC6EA1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments for noncontrolling interests</link:label>
    <link:label id="lab_us-gaap_PaymentsToMinorityShareholders_6360E8EA628CA575F5CD7F9CBCAC6EA1_label_en-US" xlink:label="lab_us-gaap_PaymentsToMinorityShareholders_6360E8EA628CA575F5CD7F9CBCAC6EA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Noncontrolling Interests</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_6360E8EA628CA575F5CD7F9CBCAC6EA1" xlink:type="locator" />
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    <link:label id="lab_trs_CashtransferredtoHorizonGlobal_9AB6C24E8CE9824B9FCD7F9CBCACA988_negatedTerseLabel_en-US" xlink:label="lab_trs_CashtransferredtoHorizonGlobal_9AB6C24E8CE9824B9FCD7F9CBCACA988" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cash transferred to the Cequent businesses</link:label>
    <link:label id="lab_trs_CashtransferredtoHorizonGlobal_9AB6C24E8CE9824B9FCD7F9CBCACA988_label_en-US" xlink:label="lab_trs_CashtransferredtoHorizonGlobal_9AB6C24E8CE9824B9FCD7F9CBCACA988" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash transferred to Horizon Global</link:label>
    <link:label id="lab_trs_CashtransferredtoHorizonGlobal_9AB6C24E8CE9824B9FCD7F9CBCACA988_documentation_en-US" xlink:label="lab_trs_CashtransferredtoHorizonGlobal_9AB6C24E8CE9824B9FCD7F9CBCACA988" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash transferred to Horizon Global</link:label>
    <link:loc xlink:href="trs-20161231.xsd#trs_CashtransferredtoHorizonGlobal" xlink:label="loc_trs_CashtransferredtoHorizonGlobal_9AB6C24E8CE9824B9FCD7F9CBCACA988" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_trs_CashtransferredtoHorizonGlobal_9AB6C24E8CE9824B9FCD7F9CBCACA988" xlink:to="lab_trs_CashtransferredtoHorizonGlobal_9AB6C24E8CE9824B9FCD7F9CBCACA988" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_ED02EC93B161E794BB307F9CBCACB0F1_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_ED02EC93B161E794BB307F9CBCACB0F1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by (used for) financing activities of continuing operations</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_ED02EC93B161E794BB307F9CBCACB0F1_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_ED02EC93B161E794BB307F9CBCACB0F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities, Continuing Operations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_ED02EC93B161E794BB307F9CBCACB0F1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_ED02EC93B161E794BB307F9CBCACB0F1" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_ED02EC93B161E794BB307F9CBCACB0F1" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_5E4805881B0D3638C51D7F9CBCAEA4B5_terseLabel_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_5E4805881B0D3638C51D7F9CBCAEA4B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by (used for) financing activities of discontinued operations</link:label>
    <link:label id="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_5E4805881B0D3638C51D7F9CBCAEA4B5_label_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_5E4805881B0D3638C51D7F9CBCAEA4B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Provided by (Used in) Financing Activities, Discontinued Operations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_5E4805881B0D3638C51D7F9CBCAEA4B5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_5E4805881B0D3638C51D7F9CBCAEA4B5" xlink:to="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_5E4805881B0D3638C51D7F9CBCAEA4B5" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_715BCB919DBCC253F32A7F9CBCAED056_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_715BCB919DBCC253F32A7F9CBCAED056" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by (used for) financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_715BCB919DBCC253F32A7F9CBCAED056_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_715BCB919DBCC253F32A7F9CBCAED056" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_715BCB919DBCC253F32A7F9CBCAED056" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B0B5A376221F8BE1E8327F9CBCAE9D7D_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B0B5A376221F8BE1E8327F9CBCAE9D7D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) for the year</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B0B5A376221F8BE1E8327F9CBCAE9D7D_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B0B5A376221F8BE1E8327F9CBCAE9D7D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B0B5A376221F8BE1E8327F9CBCAE9D7D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_77A9EF9431FEED8726C97F9CBCAEC128_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_77A9EF9431FEED8726C97F9CBCAEC128" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">At beginning of year</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_77A9EF9431FEED8726C97F9CBCAEC128_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_77A9EF9431FEED8726C97F9CBCAEC128" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7EB82FBF9B45468416977F9CBCAE093D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_BBD0D36F991CF98A894A7F9CBCAEC094_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_BBD0D36F991CF98A894A7F9CBCAEC094" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosure of cash flow information:</link:label>
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    <link:label id="lab_us-gaap_InterestPaidNet_EB1C74F2EBA6EEF123467F9CBCAE259C_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidNet_EB1C74F2EBA6EEF123467F9CBCAE259C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid for interest</link:label>
    <link:label id="lab_us-gaap_InterestPaidNet_EB1C74F2EBA6EEF123467F9CBCAE259C_label_en-US" xlink:label="lab_us-gaap_InterestPaidNet_EB1C74F2EBA6EEF123467F9CBCAE259C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Net</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxesPaid_090220C0AE2D43AB42B57F9CBCAE2568_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_090220C0AE2D43AB42B57F9CBCAE2568" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid for income taxes</link:label>
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    <link:loc xlink:href="trs-20161231.xsd#trs_A2006PlanMember" xlink:label="loc_trs_A2006PlanMember_B887C13B995FCCE61F8C48AE3C3119FF" xlink:type="locator" />
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    <link:loc xlink:href="trs-20161231.xsd#trs_A2002PlanMember" xlink:label="loc_trs_A2002PlanMember_DFA42510FD2AFC25DCD748AE3C3115A0" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_39287E8F0E3B71FD200A48AE3E058635" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_71F61FE0EC04EFF3712348AE3E05EF11" xlink:type="locator" />
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    <link:label id="lab_trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardIncentiveCompensationPlanThresholdTargetAwardForGrantingStockAward_A31E650AEAF9B3220CCF48AE3E05BBA6_terseLabel_en-US" xlink:label="lab_trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardIncentiveCompensationPlanThresholdTargetAwardForGrantingStockAward_A31E650AEAF9B3220CCF48AE3E05BBA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ICP, Threshold target for granting stock awards</link:label>
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    <link:label id="lab_trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardAmountOfSharesEarnedOfTargetAward_610F91D1917AD1870B8A48AE3E058745_terseLabel_en-US" xlink:label="lab_trs_ShareBasedCompensationArrangementByShareBasedPaymentAwardAmountOfSharesEarnedOfTargetAward_610F91D1917AD1870B8A48AE3E058745" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of shares earned % of target award</link:label>
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    <link:label id="lab_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2005A403AC88C2DF13E6FD8B202ED583_terseLabel_en-US" xlink:label="lab_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2005A403AC88C2DF13E6FD8B202ED583" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Indefinite-lived intangible assets, gross carrying amount</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2005A403AC88C2DF13E6FD8B202ED583" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2005A403AC88C2DF13E6FD8B202ED583" xlink:to="lab_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2005A403AC88C2DF13E6FD8B202ED583" xlink:type="arc" />
    <link:label id="lab_trs_TotalOtherIntangibleAssetsGross_6ECDA78487C01EAF0464FD8B202E2198_netLabel_en-US" xlink:label="lab_trs_TotalOtherIntangibleAssetsGross_6ECDA78487C01EAF0464FD8B202E2198" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Total finite and indefinite-lived other intangible assets, gross carrying amount</link:label>
    <link:label id="lab_trs_TotalOtherIntangibleAssetsGross_6ECDA78487C01EAF0464FD8B202E2198_label_en-US" xlink:label="lab_trs_TotalOtherIntangibleAssetsGross_6ECDA78487C01EAF0464FD8B202E2198" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Other Intangible Assets, Gross</link:label>
    <link:label id="lab_trs_TotalOtherIntangibleAssetsGross_6ECDA78487C01EAF0464FD8B202E2198_documentation_en-US" xlink:label="lab_trs_TotalOtherIntangibleAssetsGross_6ECDA78487C01EAF0464FD8B202E2198" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total gross carrying amount as of the balance sheet date of other intangible assets, excluding goodwill.</link:label>
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    <link:label id="lab_trs_SecuredDebtMaximumBorrowingCapacity_008D311DFF88B907556F484A702B6F3D_label_en-US" xlink:label="lab_trs_SecuredDebtMaximumBorrowingCapacity_008D311DFF88B907556F484A702B6F3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured debt, Maximum Borrowing Capacity</link:label>
    <link:label id="lab_trs_SecuredDebtMaximumBorrowingCapacity_008D311DFF88B907556F484A702B6F3D_documentation_en-US" xlink:label="lab_trs_SecuredDebtMaximumBorrowingCapacity_008D311DFF88B907556F484A702B6F3D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum borrowing capacity under the receivables facility debt arrangement.</link:label>
    <link:loc xlink:href="trs-20161231.xsd#trs_SecuredDebtMaximumBorrowingCapacity" xlink:label="loc_trs_SecuredDebtMaximumBorrowingCapacity_008D311DFF88B907556F484A702B6F3D" xlink:type="locator" />
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    <link:label id="lab_trs_Debtcost1monthLIBORplus_828BC389C0F824DD30C8484A702B86A9_terseLabel_en-US" xlink:label="lab_trs_Debtcost1monthLIBORplus_828BC389C0F824DD30C8484A702B86A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt cost, 1-month LIBOR plus</link:label>
    <link:label id="lab_trs_Debtcost1monthLIBORplus_828BC389C0F824DD30C8484A702B86A9_label_en-US" xlink:label="lab_trs_Debtcost1monthLIBORplus_828BC389C0F824DD30C8484A702B86A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt cost, 1-month LIBOR plus</link:label>
    <link:label id="lab_trs_Debtcost1monthLIBORplus_828BC389C0F824DD30C8484A702B86A9_documentation_en-US" xlink:label="lab_trs_Debtcost1monthLIBORplus_828BC389C0F824DD30C8484A702B86A9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt cost, 1-month LIBOR plus</link:label>
    <link:loc xlink:href="trs-20161231.xsd#trs_Debtcost1monthLIBORplus" xlink:label="loc_trs_Debtcost1monthLIBORplus_828BC389C0F824DD30C8484A702B86A9" xlink:type="locator" />
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    <link:label id="lab_trs_DebtInstrumentUnusedBorrowingCapacityFeePercentage_C8730B99C73D68A08587484A702BA311_terseLabel_en-US" xlink:label="lab_trs_DebtInstrumentUnusedBorrowingCapacityFeePercentage_C8730B99C73D68A08587484A702BA311" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unused Borrowing Capacity, Fee percentage</link:label>
    <link:label id="lab_trs_DebtInstrumentUnusedBorrowingCapacityFeePercentage_C8730B99C73D68A08587484A702BA311_label_en-US" xlink:label="lab_trs_DebtInstrumentUnusedBorrowingCapacityFeePercentage_C8730B99C73D68A08587484A702BA311" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unused Borrowing Capacity, Fee percentage</link:label>
    <link:label id="lab_trs_DebtInstrumentUnusedBorrowingCapacityFeePercentage_C8730B99C73D68A08587484A702BA311_documentation_en-US" xlink:label="lab_trs_DebtInstrumentUnusedBorrowingCapacityFeePercentage_C8730B99C73D68A08587484A702BA311" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unused Borrowing Capacity, Fee percentage</link:label>
    <link:loc xlink:href="trs-20161231.xsd#trs_DebtInstrumentUnusedBorrowingCapacityFeePercentage" xlink:label="loc_trs_DebtInstrumentUnusedBorrowingCapacityFeePercentage_C8730B99C73D68A08587484A702BA311" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SecuredDebt_3D532E6D3410D2FD5B81484A702BED59_terseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebt_3D532E6D3410D2FD5B81484A702BED59" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivables facility debt outstanding</link:label>
    <link:label id="lab_us-gaap_SecuredDebt_3D532E6D3410D2FD5B81484A702BED59_label_en-US" xlink:label="lab_us-gaap_SecuredDebt_3D532E6D3410D2FD5B81484A702BED59" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_3D532E6D3410D2FD5B81484A702BED59" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebt_3D532E6D3410D2FD5B81484A702BED59" xlink:to="lab_us-gaap_SecuredDebt_3D532E6D3410D2FD5B81484A702BED59" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount_AB2D9B26E9316BA12299484A702B4217_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount_AB2D9B26E9316BA12299484A702B4217" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Receivables facility debt available but not utilized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount" xlink:label="loc_us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount_AB2D9B26E9316BA12299484A702B4217" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount_AB2D9B26E9316BA12299484A702B4217" xlink:to="lab_us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount_AB2D9B26E9316BA12299484A702B4217" xlink:type="arc" />
    <link:label id="lab_trs_ReceivablesFacililtyDebtAggregateCosts_248DE2E7A14BC3549700484A702BE3B8_terseLabel_en-US" xlink:label="lab_trs_ReceivablesFacililtyDebtAggregateCosts_248DE2E7A14BC3549700484A702BE3B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivables facililty, debt aggregate costs</link:label>
    <link:label id="lab_trs_ReceivablesFacililtyDebtAggregateCosts_248DE2E7A14BC3549700484A702BE3B8_label_en-US" xlink:label="lab_trs_ReceivablesFacililtyDebtAggregateCosts_248DE2E7A14BC3549700484A702BE3B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables Facililty, Debt Aggregate Costs</link:label>
    <link:label id="lab_trs_ReceivablesFacililtyDebtAggregateCosts_248DE2E7A14BC3549700484A702BE3B8_documentation_en-US" xlink:label="lab_trs_ReceivablesFacililtyDebtAggregateCosts_248DE2E7A14BC3549700484A702BE3B8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of the fee that accompanies borrowing money under the debt instrument.</link:label>
    <link:loc xlink:href="trs-20161231.xsd#trs_ReceivablesFacililtyDebtAggregateCosts" xlink:label="loc_trs_ReceivablesFacililtyDebtAggregateCosts_248DE2E7A14BC3549700484A702BE3B8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_trs_ReceivablesFacililtyDebtAggregateCosts_248DE2E7A14BC3549700484A702BE3B8" xlink:to="lab_trs_ReceivablesFacililtyDebtAggregateCosts_248DE2E7A14BC3549700484A702BE3B8" xlink:type="arc" />
    <link:label id="lab_trs_AverageliquidationperiodReceivablespool_C98C307770F3D6BA6754484A702B3F7E_terseLabel_en-US" xlink:label="lab_trs_AverageliquidationperiodReceivablespool_C98C307770F3D6BA6754484A702B3F7E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average liquidation period, Receivables pool</link:label>
    <link:label id="lab_trs_AverageliquidationperiodReceivablespool_C98C307770F3D6BA6754484A702B3F7E_label_en-US" xlink:label="lab_trs_AverageliquidationperiodReceivablespool_C98C307770F3D6BA6754484A702B3F7E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average liquidation period, Receivables pool</link:label>
    <link:label id="lab_trs_AverageliquidationperiodReceivablespool_C98C307770F3D6BA6754484A702B3F7E_documentation_en-US" xlink:label="lab_trs_AverageliquidationperiodReceivablespool_C98C307770F3D6BA6754484A702B3F7E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average liquidation period, Receivables pool</link:label>
    <link:loc xlink:href="trs-20161231.xsd#trs_AverageliquidationperiodReceivablespool" xlink:label="loc_trs_AverageliquidationperiodReceivablespool_C98C307770F3D6BA6754484A702B3F7E" xlink:type="locator" />
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    <link:label id="lab_trs_AverageDiscountRateReceivablesFacility_18D791490FC4078688EB484A702B0791_terseLabel_en-US" xlink:label="lab_trs_AverageDiscountRateReceivablesFacility_18D791490FC4078688EB484A702B0791" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average discount rate, Receivables facility</link:label>
    <link:label id="lab_trs_AverageDiscountRateReceivablesFacility_18D791490FC4078688EB484A702B0791_label_en-US" xlink:label="lab_trs_AverageDiscountRateReceivablesFacility_18D791490FC4078688EB484A702B0791" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average discount rate, Receivables facility</link:label>
    <link:label id="lab_trs_AverageDiscountRateReceivablesFacility_18D791490FC4078688EB484A702B0791_documentation_en-US" xlink:label="lab_trs_AverageDiscountRateReceivablesFacility_18D791490FC4078688EB484A702B0791" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The average discount rate utilized to calculate the present value of the receivables sold under the facility debt arrangement.</link:label>
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