machine s are oild from time to time
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Originally Answered: Why are machines oiled time to time? 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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A machine is oiled from time to time to reduce friction between its body parts. By doing so, the life span of a machine increases.
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