longwall work

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• longwall system — ˈ ̷ ̷ˌ ̷ ̷ noun Etymology: longwall from long (I) + wall : a method of coal mining in which the working face extends entirely across the seam, the work proceeds either away from or toward the main shaft, and the roof is allowed to cave in behind… …   Useful english dictionary

• 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

• Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …   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

• Sociotechnical systems theory — is theory about the social aspects of people and society and technical aspects of machines and technology. Sociotechnical refers to the interrelatedness of social and technical aspects of an organisation. Sociotechnical theory therefore is about… …   Wikipedia

• Gundremmingen Nuclear Power Plant — Infobox NPP Picture = Gundremmingen Nuclear Power Plant.jpg Pic des = Unit A (left), Units B and C (right), cooling towers Country = Germany EIGENTÜMER = 75 % RWE 25 % E.ON Utility = Kernkraftwerk Gundremmingen GmbH Built = 1962 Start = April 12 …   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

• Occupational health psychology — Psychology …   Wikipedia

• 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

• William Morris, 1st Viscount Nuffield — This page is about William Morris, 1st Viscount Nuffield. For other people see William Morris (disambiguation) The Viscount Nuffield wife Elizabeth Anstey Issue none Full name William Richard Morris Father Frederick Morris Mot …   Wikipedia

• Industrial history of the People's Republic of China — Main articles: Economy and economic history of the People s Republic of China. China s industrial sector has shown great progress since 1949, but in the late 1980s it remained undeveloped in many respects. Although the country manufactured… …   Wikipedia