What is industrial engineering 

The field of industrial engineering has had many definitions given to it. Most of the definitions include all of the same elements stated in slightly different ways. For example the Accreditation Board for Engineering and Technology (ABET) defines industrial engineering as the profession in which a knowledge of the mathematical and natural sciences gained by study, experience and practice is applied with judgment to develop ways to utilize economically, the materials and forces of nature for the benefit of mankind

The American Institute of Industrial Engineers (AIIE) defines industrial engineering asconcerned with the design, improvement and installation of integrated systems of people, materials, equipment and energy. It draws upon specialized knowledge and skill in the mathematical, physical and social sciences together with the principles and methods of engineering analysis and design to specify, predict and evaluate the results to be obtained from such systems

Both definitions describe industrial engineering as a broad field concerned with integrating all the different aspects in a service or production environment. Part of being an industrial engineer is learning how to balance changes