Industrial Engineering and Production Management
Work study is mainly aimed at

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

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

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

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