Industrial Engineering and Production Management
Work study is mainly aimed at

Establishing the minimum time of completion of a job
Economizing the motions involved on the part of the worker while performing 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
A big advantage of PERT over Gantt charts is that in the former case

Activities and events are clearly shown
Early start and late finish of an activity are clearly marked
Activity times are clear
Interrelationship among activities is clearly shown

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Industrial Engineering and Production Management
Routing

Is concerned with starting of processes
Regulates the progress of job through various processes
Determines the programme for the operations
Prescribes the sequence of operations to be followed

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