____ machines are made up of many ____ machines working together. Complex machines need ____ to work. We use complex machines every ____. Washing machines and cookers are things that use ____. Transport like cars and ____ use fuel like ____ to work. Bikes use energy from ____. Sometimes at work we use a machine called a ____ to help us do jobs. Robots are normally very ____ and do the jobs well. A calculator uses ____ to work. A scooter uses energy from ____ to work.

Complex machines

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