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How does the trash can’s design prevent the liner from sticking to the interior?
A well-designed trash can incorporates several features to prevent the liner from sticking to the interior, ensuring smooth and convenient waste disposal. One key element is the use of textured or ribbed inner surfaces. These subtle ridges create small air gaps between the liner and the bin walls, reducing suction and making it easier to remove the bag without tearing.
Another effective design choice is the inclusion of a tapered or slightly flared shape. This prevents the liner from collapsing inward and clinging to the sides when waste is added. Some high-end models even feature built-in liner retention systems, such as clips or grooves, to hold the bag securely in place while minimizing contact with the interior.
Ventilation holes are another clever addition, allowing air to escape when the liner is inserted, which reduces vacuum-like adhesion. Additionally, materials like stainless steel or smooth plastic with anti-static properties further discourage sticking. By combining these thoughtful design elements, modern trash cans ensure that changing liners is quick, clean, and frustration-free.
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