original: Direct mechanical power transmission required that industries using hydropower had to locate near the waterfall.
simplifications: Direct mechanical power transmission needs a location near the waterfall. Direct mechanical power transmission requires industries using hydropower to be near the waterfall. For direct mechanical power transmission, industries using hydropower had to stay near the waterfall. Direct mechanical power transmission required industries using hydropower to be near the waterfall. Industries using water power needed to be near the waterfall so they could receieve direct power. Direct mechanical power transmission required industries using water-generated power to be near the waterfall. Direct mechanical power transfer required that industries using hydropower had to be near the waterfall. Direct mechanical power transmission required that industries using water-based power had to locate near the waterfall. Direct mechanical transmission of power required the hydropower industries to be located near the waterfall. Direct mechanical power transmission requires industries using hydropower had to move close to waterfall.