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roof-bolt hole

См. также в других словарях:

  • rock bolt — Mining, Civ. Engin. a steel or fiberglass bolt inserted and anchored in a hole drilled in rock to prevent caving of the roof of a tunnel or subterranean chamber. [1955 60] * * * ▪ mining       in tunneling and underground mining, steel rod… …   Universalium

  • rock bolt — Mining, Civ. Engin. a steel or fiberglass bolt inserted and anchored in a hole drilled in rock to prevent caving of the roof of a tunnel or subterranean chamber. [1955 60] …   Useful english dictionary

  • Sago Mine disaster — wikinewshas|three articles on the accident * * *The Sago Mine disaster was a coal mine explosion on January 2, 2006, in the Sago Mine (pronEng|ˈseɪgoʊ) in Sago, West Virginia, USA near the Upshur County seat of Buckhannon. The blast and ensuing… …   Wikipedia

  • El Capitan — This article is about El Capitan in California. For other uses, see El Capitan (disambiguation). El Capitan Southwest face of El Capitan from Yosemite Valley …   Wikipedia

  • Church of England parish church — The parish church of St. Lawrence at Bourton on the Water, Gloucestershire, England …   Wikipedia

  • Scalloway Castle — was built from 1599 by Patrick Stewart, 2nd Earl of Orkney to tighten his grip on Shetland. Its site in Shetland s then capital, Scalloway, was surrounded by the sea on three sides. HistoryThe Stewart family, as Earls of Orkney and Shetland, had… …   Wikipedia

  • Terinu — Infobox webcomic| title = Terinu caption = author = Peta Hewitt url = http://www.terinu.com/ status = Monday, Wednesday, Friday began = 1986 ended = genre = Science fiction ratings = Terinu is a webcomic and print comic series (in Australia)… …   Wikipedia

  • (s)keu-2, (s)keu̯ǝ : (s)kū- —     (s)keu 2, (s)keu̯ǝ : (s)kū     English meaning: to cover, wrap     Deutsche Übersetzung: “bedecken, umhũllen”     Material: O.Ind. skunüti, skunō ti, sküuti “bedeckt”; doubtful ku kūla “Hũlsen, armament, armor”, püṃ su kūla “Lumpenkleid …   Proto-Indo-European etymological dictionary

  • Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold …   Wikipedia

  • Glossary of climbing terms — This page describes terms and jargon related to climbing and mountaineering. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A …   Wikipedia

  • coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium

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