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Note the 40-ton CAT wheeled dozer at lower left for size comparison. A bucket-wheel excavator (BWE) is a large heavy equipment machine used in surface mining. Their primary function is that of a continuous digging machine in large-scale open-pit mining operations, removing thousands of tons of overburden a day.
A wildcatter is an individual who drills wildcat wells, which are exploration oil wells drilled in areas not known to be oil fields. [1] Notable wildcatters include Glenn McCarthy, Thomas Baker Slick Sr., Mike Benedum, Joe Trees, Clem S. Clarke, and Columbus Marion Joiner; Joiner is responsible for finding the East Texas Oil Field in 1930.
Globally, it is listed as Least Concern on the IUCN Red List [1] but is a Conservation Strategy Species in Oregon [2] and Fully Protected in California [3] The species is known by a variety of names, such as ring-tailed cat, miner's cat, civet cat, and cacomistle (or cacomixtle), though the last of these can refer to B. sumichrasti.
Cart from 16th century, found in Transylvania A dumper minecart used in the Basque Country, currently at the Minery Museum.. A minecart, mine cart, or mine car (or more rarely mine trolley or mine hutch) is a type of rolling stock found on a mine railway, used for transporting ore and materials procured in the process of traditional mining.
Remote-controlled continuous miners are used to work in a variety of difficult seams and conditions, and robotic versions controlled by computers are becoming increasingly common. Continuous mining is a misnomer, as room and pillar coal mining is very cyclical. In the US, one can generally cut up to around 20 feet (6 meters).
Caterpillar Inc., also known as Cat, is an American construction, mining and other engineering equipment manufacturer. [6] The company is the world's largest manufacturer of construction equipment. [ 3 ] [ 7 ] [ 8 ] In 2018, Caterpillar was ranked number 73 on the Fortune 500 list [ 9 ] and number 265 on the Global Fortune 500 list. [ 10 ]
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Freiburg Miner wearing a Mooskappe, stained glass window, 1330. A miner is a person who extracts ore, coal, chalk, clay, or other minerals from the earth through mining. There are two senses in which the term is used. In its narrowest sense, a miner is someone who works at the rock face; cutting, blasting, or otherwise working and removing the ...