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Nowadays,the ancient pressurized well is still widely utillized in most parts of Africa.fetching water for adults.the process of pressurizing water is fatiguing and tiresome.this design attaches aseesaw structure to the well. with the seesaw swinging back and forth ,the piston underthe well is activated and the water is driven up. in this way ,not only the adults can fetch water normally but also the kids can amuse the mselves while getting water.
Dalian Minzu University
Dalian Nationalities University