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The Selection of Explosives Used in Engineering and Mining Operations. E-book. Formato PDF
Clarence Hall
edizioni Forgotten Books collana , 2017
Practically every class and every grade of commercial explosive are used in open-air work to meet varying conditions. In breaking down rock in quarries the explosives generally employed are: Black blasting powder, granulated nitroglycerin powder containing 5 to 15 per cent of nitroglycerin, straight nitroglycerin dynamites...