How Do Escalators Work?

An escalator is a moving staircase that helps people go up and down between floors without having to walk.

An escalator is a moving staircase that helps people go up and down between floors without having to walk. It is made of many steps that are joined together like a big conveyor belt. It works using chains and gears. A motor-powered chain moves the steps up and down between floors in a continuous loo
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