mining resin

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• 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

• Uranium mining in Colorado — Uranium mining in Colorado, United States, goes back to 1872, when pitchblende ore was taken from gold mines near Central City, Colorado. The Colorado uranium industry has seen booms and busts, but continues to this day. Not counting byproduct… …   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

• Uranium mining in Wyoming — Uranium mining in Wyoming, a state of the United States was formerly a much larger industry than it is today. Wyoming once had many operating uranium mines, and still has the largest known uranium ore reserves of any state in the U.S. The Wyoming …   Wikipedia

• Underground mining methods —   A drift mine is driven horizontally into coal that is exposed or accessible in a hillside. In a hydraulic mine, high pressure water jets break the coal from a steeply inclined, thick coalbed that would be difficult to mine with the usual… …   Energy terms

• Peter Hambro Mining — PLC is a London based gold mining company with operations in Russia. Its shares are listed on the Alternative Investment Market (AIM) of the London Stock Exchange. (lse|POG)The company was formed in 1994, and has been one of the fastest growing… …   Wikipedia

• rock bolt — Mining, Civ. Engin. a steel or fiberglass bolt inserted and anchored in a hole drilled in rock to prevent caving of the roof of a tunnel or subterranean chamber. [1955 60] * * * ▪ mining       in tunneling and underground mining, steel rod… …   Universalium

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium

• Amber — is fossil tree resin, which is appreciated for its color and beauty. Good quality amber is used for the manufacture of ornamental objects and jewellery. Although not mineralized, it is often classified as a gemstone. A common misconception is… …   Wikipedia

• Early thermal weapons — were devices or substances used in warfare during the classical and medieval periods (approx 8th century BC until the mid 16th century AD) which used heat or burning action to destroy or damage enemy personnel, fortifications or territories.… …   Wikipedia

• Recycling — For other uses, see Recycling (disambiguation). 3R Concepts Waste Disposal Hierarchy Reduce Reuse Recycle Barter Dematerialization Dow …   Wikipedia