Industrial Engineering and Production Management
A big advantage of PERT over Gantt charts is that in the former case

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

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Industrial Engineering and Production Management
Value engineering aims at finding out the

Major function of the item and accomplishing the same at least cost without change in quality
Depreciation value of a product
Break-even point when machine requires change
Resale value of a product

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