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Pulleys lift things up.

Pulleys move things along.

Pulleys have wheels which have raised edges.

Pulleys move chains or ropes or belts.

The raised edges stop the belts from coming off.
Bike wheels run on pulleys.

Escalators and elevators work on pulleys.

Sometimes more than one pulley is used on a machine.

You can see pulleys everywhere in the community!

How many pulleys can you think of?

Back to machines!