Industrial Engineering and Production Management
Work study is mainly aimed at

Economizing the motions involved on the part of the worker while performing a job
Establishing the minimum time of completion of a job
Developing the standard method and standard time of a job
Determining the most efficient method of performing a job

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Industrial Engineering and Production Management
In order that linear programming techniques provide valid results

Relations between factors must be linear (positive)
Only one factor should change at a time, others remaining constant
Either (A) or (B)
Relations between factors must be linear (negative)

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