| 摘要 |
Apparatus and methods for preventing entry of liquids into a cavity of a vehicle or similar object can include a body configured for insertion into the cavity and a flap extending from the body for engaging an edge of the cavity. Engagement between the flap and cavity can form a seal that reduces or prevents the passage of liquid, while engagement of the body within the cavity can prevent movement of the apparatus in a manner that would permit disengagement of the flap, and can optionally form an additional seal. The apparatus and methods thereby function as lightweight, inexpensive alternatives to covers for the entire vehicle that can be readily installed and removed between uses.
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