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— Usually, the water mills in Iran were powered by river currents, springs, or qanats, but the Gar-Gar and Amir water mills were also powered by reservoir water. The Feen-garden's water mill in Kashan was fed by a spring, whereas the Du-Sangi water mill of Mohammad Abbad in Meibod, the ancient water mill of Ashkezar, at a distance of 15 km …