How To Use Time and motion study In A Sentence

• I've not done the full time and motion study, but I reckon the paying part of the transaction must take three or four times as long by card as with cash, by the time the barperson has found the machine, brought it over, handed it to the punter, waited while the connection is made and the payment authorised, and torn off, distributed and filed receipts. London SE1 community website
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