Since, however, there is much friction in the operation of a screw, the amount of work put into this machine is much greater than the amount done and the efficiency is small.
(work; put; into this machine) (the amount of work; is; much greater than the amount done and the efficiency is small) (the amount; done; ) (the efficiency; is; small)
work the amount of work the amount the efficiency
put is done is
into this machine
much greater than the amount done and the efficiency is small
small