dragline conveyor

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• 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

• Surface mining equipment —   An Auger machine is a large, horizontal drill, generally 3 feet or more in diameter and up to about 100 feet long. It can remove coal at a rate of more than 25 tons per minute.   A bucket wheel excavator is a continuous digging machine equipped …   Energy terms

• Steam shovel — A steam shovel is a large steam powered excavating machine designed for lifting and moving material such as rock and soil. It is the earliest type of power shovel.Origins and development The steam shovel was invented by William Otis, who received …   Wikipedia

• P&H MinePro — Created in 1996, P H MinePro Services is the global distribution and support arm of P H Mining Equipment, with offices in Australia, Brazil, Canada, Chile, China, India, Indonesia, Mexico, Peru, Russia, South, Africa, United Kingdom, United… …   Wikipedia

• Dredging — Dredge redirects here. For other uses, see Dredge (disambiguation). Dredgers redirects here. For the German municipality, see Dreggers. Dredging is an excavation activity or operation usually carried out at least partly underwater, in shallow… …   Wikipedia

• aluminum processing — Introduction       preparation of the ore for use in various products.       Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660° C (1,220° F) and a density of 2.7 grams per cubic centimetre. The most abundant… …   Universalium

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• CU project controversy — The CU Project Controversy involved years of protest against a proposed high voltage direct current powerline that was erected on the property of hundreds of farmers in west central Minnesota in the late 1970s. The electrical cooperatives… …   Wikipedia

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