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Mechanical engineering is a branch of engineering that focuses on the design, construction, and use of machines. It involves the application of principles of physics, mathematics, and materials science for the design, analysis, manufacturing, and maintenance of mechanical systems. Mechanical engineers use their knowledge of materials, mechanics, thermodynamics, and other disciplines to design and develop machines, engines, and other mechanical systems. Mechanical engineering is a broad field, and its applications are found in many industries, including automotive, aerospace, energy, and manufacturing. Mechanical engineers are involved in the design, development, and testing of a wide range of products, from medical devices to robots. They also work on the development of new technologies, such as renewable energy sources and advanced materials. Companies in the mechanical engineering market include General Electric, Siemens, Honeywell, ABB, and Rockwell Automation. Show Less Read more