Industrial Engineering and Production Management
The essential condition for the decompression of an activity is that

The project time should change due to decompression
An activity could be decompressed to the maximum extent of its normal time
After decompression the time of an activity invariably exceeds its normal time
An activity could be decompressed to the maximum extent of its normal time

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

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

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