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Water is a resource on which persons or things rely for existence,as thus ,protect water resource should be a concern for everyone.
There are many taps in our life,but they have not considered that how to deal with the complex problem on saving water and educing secondary pollution at the same time. Design a new tag for this problem.The improver tag switch close to the outlet,which can save the remaining water in the tap effectively.With the design of closing the tap by pulling the switch up,the remaining water in the tap can drain out of the tap and wash your hands,which can deal with the problem of secondary pollution.
Heqi Zhao Lanqiang Pan Mingkang Wang Jiang Wang