Question

machine have to be maintained give reason answer in brief​

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

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Answer 2

Answer:

Machine have to be maintained as every machine get effected by the friction so we have to decrease the friction which helps us to maintain the machine.So therefore maintenance is important