Question

Why are machines oiled from time to time? Name the process.

Answer 1

Answer:

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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Answer 2

Answer:

Lubrication

Explanation:

Oil is put in machines from time to time as machines have many moving parts. They get worn down due to the presence of friction. So oil is added to the moving parts so that the effect of friction is reduced on the gears.