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Clean Drain is a product that has improvements on problems of existing drainage.The Clean Drain is closed when there is low water level, but the cover rises up with high water level because of its air containers. It gives a result of drainage of the incoming water.In addition,it is respond to the amount of water inflows immediately without using any electricity power supply.When there is low water level,it can drain through small holes while the cover of the Clean Drain has been grafted with honeycomb structure in order to maximize its buoyancy and its intensity.Presence of net inside the Clean Drain can filter unwanted substances out easily.
Cheong - Ju University
Cheong - Ju, Chungbuk, South Korea
professor Dong ha, Kim
Lee, Ho hyeok
YESAN KUN, CHOONG CHEONG NAM DO, South Korea
Ho hyeok, Lee