Mechanical engineering is a broad engineering discipline at the intersection of engineering, physics, and material science. Mechanical engineers design, analyse and help manufacture mechanical tools, engines, and machines. They are employed in almost all manufacturing sectors including Heavy machineries, ship building, aerospace, automobile. They are also employedin engineering services and product design companies. They, carry out a wide range of design and analysis activities, in the product development lifecycle. Their key tasks include: Concept Sketching, 2D Design & Drafting, 3D Modeling, Prototyping, and Performance & Safety Analysis.