Complex machines are machines made of two or more simple machines working together. They combine parts such as levers, wheels, and pulleys to perform tasks. Complex machines can be large or small. They are used to make work easier.

Complex machines are found in devices such as cars, bicycles, and cranes around the world. They are used in transportation, construction, and industry. These machines combine different parts to complete tasks.

Complex machines are built using engineering design. They are part of many systems in modern life. These machines are used in many fields and environments.