Function of windmill house

Grinding grain, coarse salt, tobacco leaves, pressing oil, rolling woolen cloth, felt, making paper, and draining water from marshes. The main function of ancient windmill houses in China is to remove impurities, shriveled grains and straw scraps from crops such as rice. With the development of the times and science and technology, by June 2023, the main functions of windmills will be to grind grain, coarse salt, tobacco leaves, press oil, roll woolen cloth, felt, make paper, and clear the accumulated water in swamps.