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How does the trash can’s design prevent the entry of rainwater or snowmelt?
Modern trash cans are engineered with clever design features to prevent rainwater or snowmelt from entering the bin. The most common solution is a tightly sealed lid with a rubber gasket or overlapping edges that create a water-resistant barrier when closed. Some models incorporate sloped lids that direct water away from the opening, while others feature weighted or spring-loaded mechanisms to ensure automatic closure after use.
High-end outdoor trash bins often include integrated drainage systems at the base, allowing any minor moisture infiltration to escape without pooling. For snowy climates, designs may include elevated stands or insulated walls to prevent snow accumulation around the opening. Some innovative models even use hydrophobic materials that actively repel water from the lid surface.
The positioning of the trash bag holder also plays a crucial role - when placed slightly below the rim, it creates a natural drip edge that prevents water from running into the bag. These thoughtful engineering solutions combine to keep waste dry, reduce odors, and minimize bacterial growth caused by moisture accumulation.
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