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Pit Design - Micromine - Technology for Mining
WebUnderground mine ventilation provides a flow of air to the underground workings of a mine of sufficient volume to dilute and remove dust and noxious gases (typically NO x, SO 2, methane, CO 2 and CO) and to regulate temperature.The source of these gases are equipment that runs on diesel engines, blasting with explosives, and the orebody itself. ... WebA land mine is an explosive device concealed under or on the ground and designed to destroy or disable enemy targets, ranging from combatants to vehicles and tanks, as they pass over or near it. Such a device is typically detonated automatically by way of pressure when a target steps on it or drives over it, although other detonation mechanisms are … smackdadious
Communication systems in mining - African Mining Brief
Web11 de fev. de 2009 · The suffering caused by anti-personnel mines is horrific. A victim who survives typically requires amputation, multiple operations and prolonged physical rehabilitation, commonly suffering permanent disability – with serious social, psychological and economic implications. Fortunately, 156 States have joined the Mine Ban … WebSurface Coal Mining Methods in Australia - IntechOpen WebA naval mineis a self-contained explosivedevice placed in water to damage or destroy surface shipsor submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or … smack dab mustard winnipeg