The optimization of complex systems and processes by developing, improving, and implementing integrated systems of people, money, knowledge, information, equipment, energy, and materials is Industrial engineering. This domain needs specialized skills and knowledge in the physical, mathematical & social sciences, in sync with the principles and various methods of engineering analysis & design, to specify and evaluate the outcomes obtained from systems & processes in order to create new systems, processes, or situations for the useful coordination of labor, materials, and machines.