Industrial Engineering and Production Management
Micro motion study is

Analysis of a man-work method by using a motion picture camera with a timing device in the field of view
Study of man and machine conducted simultaneously
Motion study of a sequence of operations conducted systematically
Motion study observed on enhanced time intervals

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

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

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