caving operations

работоспособный по обрушению
работы по обрушению

English-Russian dictionary of geology. 2011.

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  • Caving in New Zealand — is an established hobby as well as being a part commercial tourism. Recreational caving is practised by several hundred members of caving associations all over New Zealand, who take advantage of the widespread limestone karst cave systems present …   Wikipedia

  • mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

  • Hellhole — is a large, deep and in the caving community fabled pit cave in Germany Valley, eastern West Virginia. It is the 11th longest cave in the United States and is home to almost half of the world s population of Virginia big eared bats. At 518 feet… …   Wikipedia

  • Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …   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

  • Codelco — Type Government owned Industry Mining Founded (1955) Headquarters …   Wikipedia

  • Titan (cave) — Infobox Cave name = Titan photo = SpeedwellCavern.jpg caption = Speedwell Cavern which provided initial access to Titan location = Castleton depth = convert|141.5|m|ft|0|lk=on [http://www.hitchnhike.co.uk/pdc/cave guide peak titan.htm Peak… …   Wikipedia

  • Mopani Copper Mine — Mopani Copper Mines Plc Type Public Company Industry Mining, Materials Founded N/A Headquarters Kitwe, Zambia Key people Emmanuel B Mutati, CEO …   Wikipedia

  • Germany Valley — Geobox|Valley name = Germany Valley native name = other name = other name1 = category = National Natural Landmark image caption = Germany Valley etymology type = etymology = country = United States country state = West Virginia state region type …   Wikipedia

  • Jamaican Caves Organisation — The Jamaican Caves Organisation (JCO), founded in 2002 by Stefan Stewart, Ivor Conolley, and Martel Taylor, is an all volunteer caving organisation devoted to the preservation, exploration and documentation of caves in Jamaica. The current… …   Wikipedia

  • Cave diving — is a type of technical diving in which specialized SCUBA equipment is used to enable the exploration of natural or artificial caves which are at least partially filled with water. It is an extension of the more common sport of caving, but is much …   Wikipedia

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