Industrial engineering is human effort engineering and system efficiency engineering.
Principles of motion economy and principles of efficiency serve as basic foundation for IE.
Physiology, anatomy, psychology and ergonomics that is application of human sciences in work situations are studied by industrial engineers to provide human effort engineering service.
Motion study, method study, value engineering, operations research, engineering economics, job evaluation and wage incentive schemes are IE methods and techniques.
System Efficiency Engineering - Methods, Subjects, Techniques, and Tools
Industrial Engineering Tool Kit