maintenance manhole
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Manhole (disambiguation) — A manhole is an opening used to gain access to sewers or other underground structures, usually for maintenance. Manhole may also refer to: Manhole (band), a metal band from Los Angeles The Manhole, a computer game Manhole (film), a 2004 Chinese… … Wikipedia
Manhole — For other uses, see Manhole (disambiguation). PMG manhole in a city street, Perth, Western Australia … Wikipedia
List of pipeline accidents — The following is a list of pipeline accidents: This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. Contents 1 Bel … Wikipedia
Glossary of boiler terminology — Boilers for generating steam or hot water have been designed in countless different shapes, sizes and configurations. An extensive terminology has evolved to describe their common features. This glossary provides definitions for these terms.… … Wikipedia
Polyurea — is a type elastomer that is derived from the reaction product of an isocyanate component and a synthetic resin blend component. The isocyanate can be aromatic or aliphatic in nature. It can be monomer, polymer, or any variant reaction of… … Wikipedia
Streetcars in Washington, D.C. — This article refers to the streetcars that existed in Washington prior to 1962. For information on the proposed new streetcar lines, see DC Streetcar. Washington Streetcars 15th Street NW in the early 20th century Info … Wikipedia
Walt Disney World Resort — Not to be confused with Disneyland. Coordinates: 28°25′7″N 81°34′52″W / 28.41861°N 81.58111°W / 28.41861; 81.5 … Wikipedia
List of accidents and incidents involving military aircraft, 1950-1974 — This is a list of notable accidents and incidents involving military aircraft grouped by the year in which the accident or incident occurred. For more exhaustive lists, see the [http://www.baaa acro.com/ Aircraft Crash Record Office] or the [http … Wikipedia
Tank — For other uses, see Tank (disambiguation). Tank A former British Arm … Wikipedia
Septic tank — A septic tank, the key component of a septic system, is a small scale sewage treatment system common in areas with no connection to main sewage pipes provided by private corporations or local governments. (Other components, typically mandated… … Wikipedia
Sanitary sewer — A sanitary sewer (also called, especially in the UK, a foul sewer) is a type of underground carriage system for transporting sewage from houses or industry to treatment or disposal. In some areas, sanitary sewers are separate sewer systems… … Wikipedia
