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Problems:
Common storage bottle only have a lid on the top. If it was full, we can hardly get the bottom items out unless all the above items were taken. It is inconvenient.
Solutions:
This is a storage bottle design which has two lid. When we need to take the bottom items we can rotate the bottle 180 degree, unscrew the top cap, the items can be conveniently take out.
Xihua University
Chengdu, China
Xihua University
Chengdu, China
Tao Tang
Hui Liang