Covers the planning, development, evaluation and control of systems and components involving the production and transfer and conversion of energy. Includes the planning and evaluation of power plants, analysis of the economical combustion of fuels, conversion of heat energy into mechanical energy, use of mechanical energy to perform useful work, analysis of structures and motion in mechanical systems, and conversion of raw materials into a final product, etc. (e.g., thermodynamics, mechanics, fluid mechanics, jets, rocket engines, internal combustion engines, steam and gas turbines, continuum mechanics, dynamic systems, dynamic fluid mechanics, heat transfer, manufacturing, materials, solid mechanics, reactors, etc.).