'Mechanical Engineering' is a category of engineering which is involved in manufacturing and designing of a mechanical system. Heat is often used for the operation of machines and tools. The individuals who study and apply the principles of mechanical engineering to systems are called Mechanical Engineers. Mechanical Engineers, in South Portland, need to have immense knowledge of material science and physics for the manufacture of a mechanical system. The understanding of these engineers should be very clear regarding thermodynamics, mechanics and kinematics, which will assist them in their work. Career options are many in South Portland, and the level of competition is rising by the day. Individuals should hold a valid degree in engineering, wherein subjects like Dynamics, Statics, Electronics, Material Engineering, Mathematics, Heat Transfer, Energy Conversion, Thermodynamics, etc, are dealt with. Application of basic concepts of physics also plays a major role in this branch of engineering. These engineers specialize in creating parts of and developing designs for vehicles.