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  <xs:element id="cmt_HuntingtonLoansMember" abstract="true" name="HuntingtonLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cmt_CreditAgreementMember" abstract="true" name="CreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cmt_DebtInstrumentCovenantPercentageOfEquityInterests" abstract="false" name="DebtInstrumentCovenantPercentageOfEquityInterests" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cmt_DebtInstrumentCommitments" abstract="false" name="DebtInstrumentCommitments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmt_A2021LongTermEquityIncentivePlanMember" abstract="true" name="A2021LongTermEquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cmt_A2006LongTermEquityIncentivePlanMember" abstract="true" name="A2006LongTermEquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cmt_ShareBasedCompensationArrangementByShareBasedPaymentAwardContractualTerm" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardContractualTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cmt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsReclassifiedToLiabilityAwards" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsReclassifiedToLiabilityAwards" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cmt_EffectiveIncomeTaxRateReconciliationStateAndLocalValuationAllowanceAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationStateAndLocalValuationAllowanceAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmt_EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmt_EffectiveIncomeTaxRateReconciliationPermanentCompensationDifferencesAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationPermanentCompensationDifferencesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmt_EffectiveIncomeTaxRateReconciliationPermanentCompensationDifferencesPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationPermanentCompensationDifferencesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cmt_MedicalPostAge65Member" abstract="true" name="MedicalPostAge65Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cmt_DrugsMember" abstract="true" name="DrugsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cmt_DefinedBenefitPlanNetPeriodicBenefitCostCreditImmediateRecognitionOfActuarialGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleListNotDisclosedFlag" abstract="false" name="DefinedBenefitPlanNetPeriodicBenefitCostCreditImmediateRecognitionOfActuarialGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleListNotDisclosedFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cmt_MultiemployerPlanPensionSignificantCollectiveBargainingArrangementEmployerContributionAmountPerEmployeeHourWorked" abstract="false" name="MultiemployerPlanPensionSignificantCollectiveBargainingArrangementEmployerContributionAmountPerEmployeeHourWorked" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmt_MultiemployerPlanPensionSignificantCollectiveBargainingArrangementEmployerContributionSurcharge" abstract="false" name="MultiemployerPlanPensionSignificantCollectiveBargainingArrangementEmployerContributionSurcharge" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmt_OtherAccruedLiabilitiesMember" abstract="true" name="OtherAccruedLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cmt_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cmt_VariableCostOfRevenue" abstract="false" name="VariableCostOfRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmt_FixedCostOfRevenue" abstract="false" name="FixedCostOfRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmt_SECSchedule1209AllowanceChargebacksMember" abstract="true" name="SECSchedule1209AllowanceChargebacksMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
