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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_A1455DA8E0BFBD71631FFB079DB0A76F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_F0AD87C05F76958038EAFB079DB0F2C7_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_F0AD87C05F76958038EAFB079DB0F2C7" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">(Increase) in inventories</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_F861C67052FC1B7F9951FB079DB019D4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapital_17C0BACFB83946555989FB079DB04AB6_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapital_17C0BACFB83946555989FB079DB04AB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapital" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapital_17C0BACFB83946555989FB079DB04AB6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_272867E28C480431D0C4FB079DB025D3_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_272867E28C480431D0C4FB079DB025D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_272867E28C480431D0C4FB079DB025D3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8DF5793153AA76B12D36FB079DB08258_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_8DF5793153AA76B12D36FB079DB08258" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_2551C63249394B0EBDA2FB079DB01791_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_2551C63249394B0EBDA2FB079DB01791" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Capital expenditures</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1536088BE395893A85C8FB079DB0F52D_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1536088BE395893A85C8FB079DB0F52D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash Flow From Investing Activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1536088BE395893A85C8FB079DB0F52D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1536088BE395893A85C8FB079DB0F52D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_436FA5ADE4FE66C38783FB079DB05044_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_436FA5ADE4FE66C38783FB079DB05044" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from (payments on) short-term debt, net</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_FEC1D0BCF7EFF225B8D0DD455F92578D_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_FEC1D0BCF7EFF225B8D0DD455F92578D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Line Items]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_FEC1D0BCF7EFF225B8D0DD455F92578D_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_FEC1D0BCF7EFF225B8D0DD455F92578D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_FEC1D0BCF7EFF225B8D0DD455F92578D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_FEC1D0BCF7EFF225B8D0DD455F92578D" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems_FEC1D0BCF7EFF225B8D0DD455F92578D" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_94140C942777A588C8FDDD455F9212F9_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_94140C942777A588C8FDDD455F9212F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, gross</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_94140C942777A588C8FDDD455F9212F9_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_94140C942777A588C8FDDD455F9212F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_94140C942777A588C8FDDD455F9212F9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_AB4F46F4FE3B091770A3DD455F9281CD_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_AB4F46F4FE3B091770A3DD455F9281CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_AB4F46F4FE3B091770A3DD455F9281CD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_D78CEAEEC83BB0743D1CDD455F92332F_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_D78CEAEEC83BB0743D1CDD455F92332F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net property</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_D78CEAEEC83BB0743D1CDD455F92332F_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_D78CEAEEC83BB0743D1CDD455F92332F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_D78CEAEEC83BB0743D1CDD455F92332F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_D78CEAEEC83BB0743D1CDD455F92332F" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_D78CEAEEC83BB0743D1CDD455F92332F" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentAxis_5D53250F0E372DB05E16FB7DF9A85679_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_5D53250F0E372DB05E16FB7DF9A85679" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentAxis_5D53250F0E372DB05E16FB7DF9A85679_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_5D53250F0E372DB05E16FB7DF9A85679" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_5D53250F0E372DB05E16FB7DF9A85679" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentAxis_5D53250F0E372DB05E16FB7DF9A85679" xlink:to="lab_us-gaap_DebtInstrumentAxis_5D53250F0E372DB05E16FB7DF9A85679" xlink:type="arc" />
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    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_1683CB91CED6A6BAFD8EFB7DF9A89D31_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain_1683CB91CED6A6BAFD8EFB7DF9A89D31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_1683CB91CED6A6BAFD8EFB7DF9A89D31" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_1683CB91CED6A6BAFD8EFB7DF9A89D31" xlink:to="lab_us-gaap_DebtInstrumentNameDomain_1683CB91CED6A6BAFD8EFB7DF9A89D31" xlink:type="arc" />
    <link:label id="lab_msa_SeniorNotesPayableThroughTwoThousandTwentyOneFivePointFourtyOnePercentageMember_067C53E61BE006E24494FB7DF9A8200C_terseLabel_en-US" xlink:label="lab_msa_SeniorNotesPayableThroughTwoThousandTwentyOneFivePointFourtyOnePercentageMember_067C53E61BE006E24494FB7DF9A8200C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2006 Senior Notes Payable Through 2021, 5.41%</link:label>
    <link:label id="lab_msa_SeniorNotesPayableThroughTwoThousandTwentyOneFivePointFourtyOnePercentageMember_067C53E61BE006E24494FB7DF9A8200C_label_en-US" xlink:label="lab_msa_SeniorNotesPayableThroughTwoThousandTwentyOneFivePointFourtyOnePercentageMember_067C53E61BE006E24494FB7DF9A8200C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes Payable Through Two Thousand Twenty One Five Point Fourty One Percentage [Member]</link:label>
    <link:label id="lab_msa_SeniorNotesPayableThroughTwoThousandTwentyOneFivePointFourtyOnePercentageMember_067C53E61BE006E24494FB7DF9A8200C_documentation_en-US" xlink:label="lab_msa_SeniorNotesPayableThroughTwoThousandTwentyOneFivePointFourtyOnePercentageMember_067C53E61BE006E24494FB7DF9A8200C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior notes payable through two thousand twenty one five point fourty one percentage.</link:label>
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    <link:label id="lab_msa_SeniorNotesPayableThroughTwoThousandTwentyOneFourPointZeroZeroPercentageMember_655F89B2F7434FE0A2CCFB7DF9A852B2_terseLabel_en-US" xlink:label="lab_msa_SeniorNotesPayableThroughTwoThousandTwentyOneFourPointZeroZeroPercentageMember_655F89B2F7434FE0A2CCFB7DF9A852B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2010 Senior Notes Payable Through 2021, 4.00%</link:label>
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    <link:label id="lab_msa_SeniorNotesPayableThroughTwoThousandTwentyOneFourPointZeroZeroPercentageMember_655F89B2F7434FE0A2CCFB7DF9A852B2_documentation_en-US" xlink:label="lab_msa_SeniorNotesPayableThroughTwoThousandTwentyOneFourPointZeroZeroPercentageMember_655F89B2F7434FE0A2CCFB7DF9A852B2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior notes payable through two thousand twenty one four point zero zero percentage.</link:label>
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    <link:label id="lab_us-gaap_SeniorLongTermNotes_96053A3D7ED1A112C04EFB7DF9A867C1_terseLabel_en-US" xlink:label="lab_us-gaap_SeniorLongTermNotes_96053A3D7ED1A112C04EFB7DF9A867C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior notes payable</link:label>
    <link:label id="lab_us-gaap_SeniorLongTermNotes_96053A3D7ED1A112C04EFB7DF9A867C1_label_en-US" xlink:label="lab_us-gaap_SeniorLongTermNotes_96053A3D7ED1A112C04EFB7DF9A867C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes, Noncurrent</link:label>
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    <link:label id="lab_us-gaap_LineOfCredit_BB1F605B55C4D05D4372FB7DF9A885EF_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_BB1F605B55C4D05D4372FB7DF9A885EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior revolving credit facility maturing in 2019</link:label>
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    <link:label id="lab_us-gaap_LongTermDebt_6CBF95F5BF66E5ED0F64FB7DF9A8C1E4_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_6CBF95F5BF66E5ED0F64FB7DF9A8C1E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtCurrent_4C79B2DB005E152295D1FB7DF9A83ECC_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_4C79B2DB005E152295D1FB7DF9A83ECC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts due within one year</link:label>
    <link:label id="lab_us-gaap_LongTermDebtCurrent_4C79B2DB005E152295D1FB7DF9A83ECC_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_4C79B2DB005E152295D1FB7DF9A83ECC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Current Maturities</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_3174E1C75E60B5E896EDFB7DF9A8991A_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_3174E1C75E60B5E896EDFB7DF9A8991A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</link:label>
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    <link:label id="lab_msa_DebtInstrumentsMaturityDate_6EAA4A06F20E38B8C0F8FB7DF9A83815_terseLabel_en-US" xlink:label="lab_msa_DebtInstrumentsMaturityDate_6EAA4A06F20E38B8C0F8FB7DF9A83815" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instruments maturity date</link:label>
    <link:label id="lab_msa_DebtInstrumentsMaturityDate_6EAA4A06F20E38B8C0F8FB7DF9A83815_label_en-US" xlink:label="lab_msa_DebtInstrumentsMaturityDate_6EAA4A06F20E38B8C0F8FB7DF9A83815" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instruments Maturity Date</link:label>
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    <link:label id="lab_msa_SingleIncidentMember_D2B7F0BA5EE2312565E3DD455BDA60B5_terseLabel_en-US" xlink:label="lab_msa_SingleIncidentMember_D2B7F0BA5EE2312565E3DD455BDA60B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Single Incident</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InsuranceSettlementsReceivable" xlink:label="loc_us-gaap_InsuranceSettlementsReceivable_94FA53243D1B63CFF4DEDD455BDA79F9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AssetsAbstract_20EFBD7A1F6B8BE2E0F6DD4560EFF82D_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_20EFBD7A1F6B8BE2E0F6DD4560EFF82D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxesReceivable_8E78B0E4560F10306129DD4560EF3583_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesReceivable_8E78B0E4560F10306129DD4560EF3583" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Receivable, Current</link:label>
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