What are the difference between motion study and time study?
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Motion study is a systematic way of determining the best method of doing the work by scrutinizing the motions made by the worker or the machine. As per Gilbreath it is the science of eliminating the wastefulness due to unnecessary motions. where as Time study is a structured process of directly observing and measuring human work using a timing device to establish the time required for completion of the work by a qualified worker when working at a defined level of performance
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