University of Technology - Baghdad, Iraq. Product Design -- developing products ranging from biomedical devices to gasoline-powered engines. A mechanical engineer designs anything that uses mechanical motion. Research and Development -- discovering new solutions to human needs or improving older methods. Manufacturing -- developing the machines that process materials into products. Designing and building machines and systems of machines that improve operating efficiency is of prime importance. Systems management -- overseeing operations of a large system, such as a power plant, as well as supervising the people who work there. Managing projects using engineering principles and techniques; planning and designing new production processes; producing details of specifications and outline designs; considering the implications of issues such as cost, safety and time constraints.