Manhole cover: Difference between revisions

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Manhole Cover
PEPCO (Electric Company) Manhole Cover, Washington DC
(larger version)

A manhole cover is a circular steel plate which is the lid over the opening of a manhole to prevent someone from falling in and to keep unauthorized persons out. A manhole cover usually weighs several hundred pounds in order to accomplish this feature.

Manhole covers are circular because that is the only shape where the lid cannot fall into the hole.

Revision as of 00:51, 22 December 2003 edit Michael Hardy (talk \| contribs) Administrators 210,242 edits No edit summary ← Previous edit		Revision as of 19:15, 3 April 2004 edit undo Auric (talk \| contribs) Autopatrolled, Extended confirmed users, Pending changes reviewers 186,524 edits mNo edit summary Next edit →
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	Manhole covers are circular because that is the only shape where the lid cannot fall into the hole.		Manhole covers are circular because that is the only shape where the lid cannot fall into the hole.

	See also: [[public utility]], [[storm drain]], [[sewer]].		See also: [[Manhole cover theft]], [[public utility]], [[storm drain]], [[sewer]].