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Drilling and blasting. Drilling and blasting is the controlled use of explosives and other methods, such as gas pressure blasting pyrotechnics, to break rock for excavation. It is practiced most often in mining, quarrying and civil engineering such as dam, tunnel or road construction. The result of rock blasting is often known as a rock cut.
GFS Chemicals Inc, formerly known as G. Frederick Smith Chemical Company, [1] is a privately owned fine and specialty chemical company with headquarters in Powell, Ohio and manufacturing facilities in Columbus, Ohio. It was founded by G. Frederick Smith in Urbana, Illinois in 1924, and moved to Columbus, Ohio in 1928. [1][2][3]
Orica Limited (ASX: ORI) is an Australian-based multinational corporation that is one of the world's largest providers of commercial explosives and blasting systems to the mining, quarrying, oil and gas, and construction markets, a supplier of sodium cyanide for gold extraction, and a specialist provider of ground support services in mining and tunnelling.
Blasting machine. Two blasting machines. At rear is one where the trigger works by depressing or raising the handle; at fore, one where the handle is twisted. A blasting machine or shot exploder (commonly called a plunger[citation needed]) is a portable source of electric current to reliably fire a blasting cap to trigger a main explosive charge.
Pages in category "Companies based in the Columbus, Ohio metropolitan area" The following 124 pages are in this category, out of 124 total. This list may not reflect recent changes .
v. t. e. The Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE), commonly referred to as the ATF, is a domestic law enforcement agency within the United States Department of Justice. Its responsibilities include the investigation and prevention of federal offenses involving the unlawful use, manufacture, and possession of firearms and ...
Dyno Nobel ASA combined with the Ensign-Bickford Company in 2003 and were restructured again in 2005. [10] [11] By 2007 they had over 3,500 employees and 36 manufacturing facilities. [12] In 2008 Australian agrochemical maker Incitec Pivot Limited (an ASX Top 50 company) bought Dyno Nobel for A$3.3 billion.
Denison Hydraulics is a publicly traded U.S.-based company (Stock Symbol:DENHY) that manufactures industrial hydraulic fluid power systems (hydraulic pumps, motors, valves and engineered systems [1]) and components and is headquartered in Marysville, Ohio. Denison is owned by Parker Hannifin. Denison has annual revenues of about $180 million ...