Перевод: с русского на все языки

со всех языков на русский

room and pillar caving

См. также в других словарях:

  • 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

  • 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

  • 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

  • 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

  • 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

  • Retreat mining — is a term used to reference the final phase of an underground mining technique known as room and pillar mining. This involves excavating a room or chamber while leaving behind pillars of material for support. This excavation is carried out in a… …   Wikipedia

  • stoping — /stoh ping/, n. Geol. a process by which magmas move upward in the earth by breaking off and engulfing blocks of overlying rocks. [1770 80; STOPE + ING1] * * * ▪ mining       in mining engineering, the opening of large underground rooms, or… …   Universalium

  • William Monahan — Infobox Writer name = William J. Monahan imagesize = 130px caption = William Monahan, at The Departed s Boston Premiere, Loews Boston Common, on October 3, 2006. birthdate = birth date and age|1960|11|3 birthplace = Boston, Massachusetts, United… …   Wikipedia

  • United 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… …   Universalium

  • Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …   Universalium

  • Lebanon — This article is about the country. For other uses of terms redirecting here, see Lebanon (disambiguation) and Liban (disambiguation). Republic of Lebanon اَلْجُمْهُورِيَّة اَللُّبْنَانِيَّة al Jumhūrīyah al Lubnānīyah République libanaise …   Wikipedia

Поделиться ссылкой на выделенное

Прямая ссылка:
Нажмите правой клавишей мыши и выберите «Копировать ссылку»