Question

why machines are maintained​

Answer 1

Answer:

Soiled,dusty parts create more friction. Some parts, affected by the weather,rust and erode. Machines get damaged,or become usless due to such wear and tear . To avoid this,it is very important to take care of machines.

Answer 2

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If this process of deterioration is not checked, it may render them unserviceable. It is, therefore, necessary to attend to them from time to time, to repair and recondition them so as to enhance their life economically. ... Maintenance of a machine means efforts directed towards the up-keep and the repair of that machine.