单项选择题

Whendiscussingplantmaintenancewithplantmaintenancemanagers,frequentlythetopicofusingpreventivemaintenance(PM)comesup.IfthisisusedextensivelyandthePMworkordersareregularlycompleted,whatistoldbythisabouttheoperation?()
A.Itislikelythatequipmentwillbreakdownfrequently.
B.Itislikelythatequipmentwillbreakdowninfrequently.
C.Itshowsthatmaintenanceisperformedonanasneededbasis.
D.Itshowsthattherearefrequentcriseswhenitcomestomaintainingequipment.

A.IfthisisusedextensivelyandthePMworkordersareregularlycompleted,whatistoldbythisabouttheoperation?()
A.Itislikelythatequipmentwillbreakdownfrequently.
B.Itislikelythatequipmentwillbreakdowninfrequently.
C.Itshowsthatmaintenanceisperformedonanasneededbasis.
D.Itshowsthattherearefrequentcriseswhenitcomestomaintainingequipment.
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