Search results
Results from the WOW.Com Content Network
Explosive inspectors authorized by U.S. Bureau of Mines; Explosive possession is prohibited for unlicensed entities; Federal licensing applies for blasting agents at mines and quarries; Federal licensing is subject to discretionary refusal; Revocation is authorized for a federal explosive license; Federal Explosive License Classifications ...
The anti-personnel obstacle breaching system (APOBS) is an explosive line charge system that allows safe breaching through complex antipersonnel obstacles, particularly fields of land mines. The APOBS is a joint DOD program for the U.S. Army and the United States Marine Corps.
Mining of sulfur from a deposit at the edge of Ijen's crater lake, Indonesia. Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory.
The Mine Safety and Health Administration (MSHA) (/ ˈ ɛ m ʃ ə /) is a large agency of the United States Department of Labor which administers the provisions of the Federal Mine Safety and Health Act of 1977 (Mine Act) to enforce compliance with mandatory safety and health standards as a means to eliminate fatal accidents, to reduce the frequency and severity of nonfatal accidents, to ...
Signs that the military item you own is potentially an explosive device typically comes from the outer shell, according to the ATF Bureau. This includes the shell being made out of a coin-like ...
The original Department of Mines was created on 1 January 1894 and ceased in that name on 1 July 1992 when it became the Department of Minerals and Energy. [5] During the 1894 - 1992 era, the department was originally divided into branches: Registration; Accounts Correspondence; Drafting
Several underground explosive charges were fired during the First World War at the start of the Battle of Messines (7–14 June 1917).The battle was fought by the British Second Army (General Sir Herbert Plumer) and the German 4th Army (General Friedrich Sixt von Armin) near Mesen (Messines in French, also used in English and German) in Belgian West Flanders.
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.