Safe Shot-Firing with Permitted Explosives

MR. J. C. NICHOLSON: The author has discussed his subject in a very thorough manner. One difficulty is the tendency to regard a 'permitted' explosive as a 'safe' explosive. There is no such article as a safe explosive; any explosive is only as safe as the man who handles it. In making up the primer, the method illustrated in the paper is alright for the ordinary explosive but not so for the sheathed explosive, for the sheathing would be punctured.
Keywords: Accidents, blasting, Coal, collieries, Dominion Steel & Coal Corporation, explosives, MR, Nova Scotia, Explosives, Mine, Mines, mining
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