Windmill
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A windmill is a structure that uses wind to generate power or pump water. It consists of a number of blades mounted on a rotating shaft, which is connected to a generator or pump. Windmills have been used for centuries to harness the power of the wind for various purposes, including grinding grain, pumping water, and generating electricity. Today, modern wind turbines are more commonly used to generate renewable energy on a larger scale. Windmills are often seen in rural areas and are iconic symbols of sustainable energy.