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There is one kind of can, we usually use it to hold milk powder or paint. But its cover is hard to open. We should deal with this cover by tools with small and flat tips. Why does this happen? We found that this cover only solves the problem of sealing the can, but it do no favor of human operating. Now, we improve the shape of the cover, make the surface of it with a small hollow, and add a plastic holder on this hollow. With that flat holder, our fingers can stretch into the hollow and open the cover easily.
China Academy of Art
Gao Fenglin Zhou Buyi