| 摘要 |
Apparatus and methods prevent debris from entering a manhole by suspending a pan or other component at a position within the manhole and below the top of the manhole. If debris enters the top of the manhole, such as because the manhole cover has been removed, then the pan or other component catches the debris. The pan or other component is releasable from the position within the manhole so that the pan or other component may be removed. Once removed, the pan or other components can be emptied and/or a person may enter the manhole.
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