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