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  <xs:element id="a_AdditionalIncrementalTermLoanFacilityMember" abstract="true" name="AdditionalIncrementalTermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="a_LTPPRSUMember" abstract="true" name="LTPPRSUMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="a_PaymentOfAccruedAndUnpaidInterest" abstract="false" name="PaymentOfAccruedAndUnpaidInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="a_CurrentAndLongTermTaxAssetsAndLiabilitiesTableTextBlock" abstract="false" name="CurrentAndLongTermTaxAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
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  <xs:element id="a_DeferredTaxAssetsLeaseObligations" abstract="false" name="DeferredTaxAssetsLeaseObligations" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="a_Fairvalueofplanassetsfordefinedbenefitplanwithbenefitobligationinexcessofplanassets." abstract="false" name="Fairvalueofplanassetsfordefinedbenefitplanwithbenefitobligationinexcessofplanassets." nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="a_ChemicalandEnergyMarketMember" abstract="true" name="ChemicalandEnergyMarketMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="a_FoodMarketMember" abstract="true" name="FoodMarketMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="a_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrend" abstract="false" name="DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrend" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:gYearListItemType"/>
  <xs:element id="a_SharebasedCompensationArrangementBySharebasedPaymentAwardStockOptionPlanByExercisePriceRangeAbstract" abstract="true" name="SharebasedCompensationArrangementBySharebasedPaymentAwardStockOptionPlanByExercisePriceRangeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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  <xs:element id="a_LesseeAssetsAndLiabilitiesTableTextBlock" abstract="false" name="LesseeAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="a_Employeecompensationandbenefitsassumed" abstract="false" name="Employeecompensationandbenefitsassumed" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="a_Fairvalueoflongtermdebtinexcessofcarryingvalue" abstract="false" name="Fairvalueoflongtermdebtinexcessofcarryingvalue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="a_RangeOfExercisePrice03Member" abstract="true" name="RangeOfExercisePrice03Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_LongLivedAssetsAbstract" abstract="true" name="LongLivedAssetsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="a_Earlyrepaymentofseniornotesprepaymentpenalty" abstract="false" name="Earlyrepaymentofseniornotesprepaymentpenalty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="a_ShareBasedCompensationArrangementMinimumPayoutRange" abstract="false" name="ShareBasedCompensationArrangementMinimumPayoutRange" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="a_WriteOffOfFullyAmortizedIntangibleAssets" abstract="false" name="WriteOffOfFullyAmortizedIntangibleAssets" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
