A tower windmill is designed to use wind power to drive the machinery for grinding corn into flour.
Overall, it is a tower 15m tall with a big 4-wooden-sail fan on one side and small fantail on the other side. The tower is positioned 1 m above ground and covered by a cap.
Inside the tower, both the sails and fantail are held by a shaft. Besides, it consists of a vertical central shaft and a grinding equipment. The central shaft connects to the sails gears on the upper side, and the grinding equipment gears on the lower side.
When there is wind, the sails circle by the wind direction. As they turn, they rotate the gears system and hence activate the grinding machine.
This method purely bases on natural resource power that can reduce the greenhouse gases that causing global warming.