| 摘要 |
A container fillable with a flowable material such as sand, salt or water, and usable as a ballast weight for a back of a motor vehicle and also as a wheel chock. The container is elongate and may have a triangular cross section. One end may be permanently closed. An end cap at the other end may be removed for filling/emptying the container, or may have a hole sealed by a plug or a cap for filing/emptying the container. An anti-skid surface element may provided on an external surface of the body. A separate handle may be provided, or an integral handle may be provided. Stripes of a color contrasting with the body member may be disposed on at least two sides of the body member. The container may be formed of a rigid metal or plastic.
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