To develop industry, to alleviate the pain of disaster, and to protect the earth by combining various kinds of waste and saving energy.

Nature and recycling are inexpensive. It is safe and rich in promptitude. By combining the fulcrum of a pump, the gravity of a force point, and pressurization, it is stable to be used for education as a foot-operated machine and for promoting the health and self-standing of the aged, Besides, a large-size water supply apparatus is also obedient, simple, and safe.