blasting
91Abrasive jet machining — For the process that uses water as a carrier, see Water jet cutter. Abrasive jet machining (AJM), also known as abrasive micro blasting, pencil blasting and micro abrasive blasting,[1] is an abrasive blasting machining process that uses abrasives …
92Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …
93Lucifuge Rofocale — The prime minister of LUCIFER. Lucifuge Rofocale is featured only in one text, the Grand Grimoire, a French magical handbook of black magic written in the 17th or 18th century (see GRIMOIRES). The book is especially significant for its… …
94Dynamite — This article is about the high explosive. For other uses, see Dynamite (disambiguation). Diagram of dynamite. Sawdust (or any other type of absorbent material) soaked in nitroglycerin. Protective coating surrounding the explosive material.… …
95Explosive material — A number of 1.25lb M112 Demolition Charges, consisting of a C 4 compound, sit atop degraded weaponry scheduled for destruction An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential… …
96Gunpowder — For other meanings, see gunpowder (disambiguation). Black powder for muzzleloading rifles and pistols in FFFG granulation size. Coin (diameter 24 mm) for comparison. Gunpowder, also known since in the late 19th century as black powder, was the… …
97Oklahoma City bombing — The Alfred P. Murrah Federal Building two days after the bombing Location …
98Underground 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 …
99Exploding-bridgewire detonator — The exploding bridgewire detonator ( EBW , also known as exploding wire detonator) was invented by Luis Alvarez and Lawrence Johnson for the Fat Man type bombs of the Manhattan Project, during their work in Los Alamos National Laboratory. The… …
100Sandblasting — Historically, the material used for artificial sandblasting was sand that had been sieved to a uniform size. The silica dust produced in the sandblasting process caused silicosis after sustained inhalation of dust. Several countries and… …
