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Windmill Lid is a trash can cover design to keep light waste in the trash can, preventing the garbage overflows to reduce the possibility of the wind taking away the garbage.
Normally, the holes of covers are aligned and trash can be thrown into the can. While wind comes, the fans will rotate clockwise to close the hole to prevent the spills. The spring will push the fans back counterclockwise after the wind stops.
The Lid requires very low costs which is a more accessible and affordable choice.