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Through earth gravity, used on the design of the trash can, resolve the problem when the trash can on full the full state, and improve the speed of trash can to collect the garbage and the cleaning , and also develop the habit of users to do not litter the garbage.
Through a combination of gravity and the inner cylinder trash can lid, when the garbage piled up, the heavier the weight, making the trash can holes move down, when the garbage is full, automatically lid goes down.
Ming Chi University of Technology
New Taipei City, Taiwan