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maintenance▼(keeping a machine or system in service)noun[UK: ˈmeɪn.tə.nəns] [US: ˈmeɪn.tə.nəns]
upkeep▼(maintenance; the act or effort of keeping something in good repair)noun[UK: ˈʌpk.iːp] [US: ˈʌpˌkip]
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