chock roof support

chock roof support
костровая крепь

English-Russian mining dictionary. .

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  • chock — /chok/, n. 1. a wedge or block of wood, metal, or the like, for filling in a space, holding an object steady, etc. 2. Naut. a. any of various heavy metal fittings on a deck or wharf that serve as fairleads for cables or chains. b. a shaped… …   Universalium

  • Longwall mining — is a form of underground coal mining where a long wall (typically about 250 400 m long) of coal is mined in a single slice (typically 1 2 m thick). The longwall panel (the block of coal that is being mined) is typically 3 4 km long and 250 400 m… …   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

  • Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …   Wikipedia

  • Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …   Wikipedia

  • hold up — verb 1. be the physical support of; carry the weight of (Freq. 4) The beam holds up the roof He supported me with one hand while I balanced on the beam What s holding that mirror? • Syn: ↑hold, ↑support, ↑sustain …   Useful english dictionary

  • Rock-climbing equipment — Rock climbing History Styles Technique Equipment and protection Grades (difficulty of climb) Terminology Belaying Abseiling …   Wikipedia


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