can a machine be more than 100% efficient
can a machine be more than 100% efficient, why can't a machine be 100% efficient, explain why machines are never 100% efficient, why are machines not 100 % efficient, why can't machines be 100 percent efficient, no machine has 100 efficiency why, a machine which is 75% efficient, do efficient machines cost more to run, efficiency of a machine, efficiency of a simple machine, what is the most efficient machine
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can a machine be more than 100% efficient
why can't a machine be 100% efficient
explain why machines are never 100% efficient
why are machines not 100 % efficient
why can't machines be 100 percent efficient
no machine has 100 efficiency why
a machine which is 75% efficient
do efficient machines cost more to run
efficiency of a machine
efficiency of a simple machine
what is the most efficient machine
can a machine be more than 100% efficient, why can't a machine be 100% efficient, explain why machines are never 100% efficient, why are machines not 100 % efficient, why can't machines be 100 percent efficient, no machine has 100 efficiency why, a machine which is 75% efficient, do efficient machines cost more to run, efficiency of a machine, efficiency of a simple machine, what is the most efficient machine
