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It is the handle that gives hands a force , the purpose to call peoples attention to save water .
Handle connect the spring , Water flows out only when used .
Its like a waiter in a bow.It serves people when they wash hands or face in public place.
Yingxin Zhao , Heshan Liu , Zhenya Wang
Cong Sun , Bingtian Huang , Lei Lv，Feng Sun，Kaiqian Geng，Wenbin Hu，Kaihong Wang，Gang Jing