Mechanical engineering is one of the braodest disciplines of engineering. Mechanical engineers. develop manufacturing processes, machines, tools and other mechanical devices. Some examples are :
- car engines,
- machines that help people with disability,
- robots for manufacturing,
- escalators and elevators,
- gas and steam turbines,
- refrigeration,
- wind energy systems,
- hybrid land, air and sea vehicles,
- Harvesting energy from body movement
