Industrial Engineering and Production Management
String diagram is used

When a group of workers are working at a place
All of these
Where processes require the operator to be moved from one place to another
For checking the relative values of various layouts

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Industrial Engineering and Production Management
The purpose of micro-motion study is to

Help in collecting the motion time data for synthetic time standards
Assist in finding out the most efficient way of doing work
All of these
Train the individual operator regarding the motion economy principles

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