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The basic shape of the umbrella has original aim. But the problem was found in use:Rain water into the stream downstream from the umbrella of the Quartet, when the wind hits, the water again invaded the potential wind
into the human body. It seems to have no alternative. The design placed the
umbrella on the hook slot citedFlow, under the control of persons in accordance
with the location of water, which not only protects you, especially when the two umbrellaCan fully take care of each other's body.
Zhejiang University of Technology
He Jingjie Chenchen