to shore up a trench

  • 1Trench shoring — is the process of bracing the walls of a trench in order to prevent collapse. The phrase can also be used as a noun to refer to the materials used in the process.Several methods can be used to shore up a trench. Hydraulic shoring is the use of… …

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  • 2trench — n 1. excavation, cut, ditch, furrow, ridge, sulcation; fosse, moat, dike; passage, duct, course, conduit, adit; sewer, trough, gutter, channel, canal, groove, Brit. kennel, watercourse. 2. fortification, defense, shelter, abri, outwork, hole;… …

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  • 3Trench shield — Trench shields are steel or aluminum structures used for protecting utility workers while performing their duties within a trench. They are customarily constructed with sidewalls of varying thicknesses held apart by steel or aluminum spreaders.… …

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  • 4Hikurangi Trench — The Hikurangi Trench (also called the Hikurangi Trough) is a linear deep in the Pacific Ocean off the east coast of the North Island of New Zealand, lying between the southern end of the Cook Strait and the Chatham Rise. Though much shallower, it …

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  • 5Emily Shore — Margaret Emily Shore (1819 1839) was an English girl who kept a journal from the age of eleven until her death from consumption at the age of nineteen. Extracts of her journal were published by her sisters Louisa and Arabella in 1891. A second… …

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  • 6Marine biology — Only 29 percent of the world surface is land. The rest is ocean, home to the marine lifeforms. The oceans average four kilometers in depth and are fringed with coastlines that run for nearly 380,000 kilometres. Marine biology is the scientific… …

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  • 7United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …

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  • 8Gallipoli Campaign — See also: Timeline of the Battle of Gallipoli Gallipoli Campaign Part of the Middle Eastern Theatre (First World War) …

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  • 9Rip current — Riptide redirects here. For other uses, see Riptide (disambiguation). Rip current, as seen from above. The beach is visible at the right top …

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  • 10USS New Jersey (BB-62) — USS New Jersey (BB 62), ( Big J or Black Dragon ) is an . New Jersey s next war cruise, 13 April–4 May 1944, began and ended at Majuro. She screened the carrier striking force which gave air support to the invasion of Aitape, Tanahmerah Bay and… …

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