machines are oiled from time to time
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11
Answer:
Because they are mechanical devices and they have metal against metal moving parts. This means friction occurs. Oil or lubricate the points of friction to eliminate the wear on the metal and make the machine function more efficiently and last a longer time.
Answered by
8
Answer:
Because they are mechanical devices and they have metal against metal moving parts. This means friction occurs. Oil or lubricate the points of friction to eliminate the wear on the metal and make the machine function more efficiently and last a longer time.
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