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The shortage of socket is a problem that we in our daily life often meet,Especially in the public places. This design kann partly solve this problem.In this design, every two adjacent plug holes have the same distance, so more plugs can be used at the same time ,and the places around the plugs with three head will not be wasted.Besides man can choose the place for their plugs as the like, and that will bring much more fun.
university science and technology Beijing
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