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The Rangan 99 or Joni 99 is an anti-personnel blast mine introduced in 1999 by the Liberation Tigers of Tamil Eelam (LTTE), during the conflicts in Sri Lanka known as Eelam War III and Eelam War IV. [1] The design was copied from the Pakistani P4 MK1 mine. [2] This type of mine contains C4 explosive, and operates by pressure detection.
Rock blasting in Finland. 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.
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) is a portable source of electric current to reliably fire a blasting cap to trigger a main explosive charge. It is mostly used in mining and ...
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A Chinese metal-cased Type 59 anti-tank blast mine. Its design is typical of many post World War II anti-tank blast mines, circular with a central fuze well (fitted with a plug in this case). An Italian, plastic cased blast resistant VS-2.2 mine. Capable of being deployed from the air, as well as being resistant to explosive clearance techniques.
Rock burst damage at a deep US mine. A rock burst is a spontaneous, violent failure of rock that can occur in high-stress mines.Although mines may experience many mining-related seismic events, only the tremors associated with damage to accessible mine workings are classified as rock bursts. [1]
An Australian minister likened a mining company blasting ancient rock shelters to the Taliban’s destruction of giant Buddha carvings and vowed Thursday to improve protections of Indigenous ...
CHEYENNE, Wyo. (AP) — A surprise eruption in Yellowstone National Park shot steam, water and dark-colored rock and dirt high into the sky Tuesday and sent sightseers running for safety.. The ...