Provision must be made to filter out all water-borne debris that is likely to cause harm to the wheel mechanism by impact or jamming.

经费必须过滤掉所有水性碎片，有可能造成损害的撞击或车轮机制干扰。

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Elevating generators and pumps is a good idea but enclosing elevated foundations that might be hit by waves or wave-borne debris can cause problems.

WSJ: Hurricanes offer similar lessons for builders