- blasting pattern
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паспорт буровзрывных работ
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Abrasive blasting — Sandblasting a stone wall Diesel powered compressor used as an air supply for sandblasting … Wikipedia
Drilling and blasting — Before the advent of tunnel boring machines, drilling and blasting was the only economical way of excavating long tunnels through hard rock, where digging is not possible. Even today, the method is still used in the construction of tunnels, such… … Wikipedia
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
Foundry — A foundry is a factory which produces metal castings from either ferrous or non ferrous alloys. Metals are turned into parts by melting the metal into a liquid, pouring the metal in a mold, and then removing the mold material or casting. The most … 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
explosive — explosively, adv. explosiveness, n. /ik sploh siv/, adj. 1. tending or serving to explode: an explosive temper; Nitroglycerin is an explosive substance. 2. pertaining to or of the nature of an explosion: explosive violence. 3. likely to lead to… … Universalium
Dimension stone — Large blocks of granite dimension stone being loaded at Teignmouth in 1827. Dimension stone is natural stone or rock that has been selected and fabricated (i.e., trimmed, cut, drilled, ground, or other) to specific sizes or shapes. Color, texture … Wikipedia
Air India Flight 182 — Boeing 747 237B Emperor Kanishka landing at London Heathrow Airport on 10 June 1985, a few days before the explosion Occurrence summary … Wikipedia
Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… … Wikipedia
M18 Claymore mine — M18A1 Claymore mine The M18A1 Claymore mine with the plastic trigger and detonator wire Type Direction fragmentation anti personnel mine … Wikipedia