Windmills are machines that use power from the wind. In the past, windmills were used to pump water or grind grain. Windmills are tall structures with blades or sails. The wind blades to spin around in a circle, because wheels inside the windmills to turn. Then tis movement is changed into power, which can make machines work by giving them enough. Windmills are use all around the world.
Written by : Threesa Afrulli (16611012)
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