what is a machine and how is it useful to us
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Every thing that reduces human work and time is a machine.
A machine is very useful to us as
it reduces hardwork
it avoids wastage of time.
Activity done through a machine is more superior than that of a human.
A machine is very useful to us as
it reduces hardwork
it avoids wastage of time.
Activity done through a machine is more superior than that of a human.
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