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The first practical windmills were built in Afghanistan ... These were vertical axle windmills, which had long vertical drive shafts with ... PowerPoint Presentation
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The first practical windmills were built in Afghanistan ... These were vertical axle windmills, which had long vertical drive shafts with ... PowerPoint Presentation
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Windmills Wind Turbines ... Vertical Axis Wind Turbines ind ind The Persian windmill was used around 1000 to turn a grindstone. It is the oldest known windmill
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