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The minerals exploitation by explosives in quarries presume a high energy development for the applied blasting techniques with a proper design parameters establishment according in the field conditions where the blasting will carried out. For an optional rock blasting in field to obtain a certain granulation together with the maintaining the risk levels of blasting (seismic waves, fly-rocks, shock waves pressure) in a non - hazardous field, must to be applied sequential detachment of rocks from the massive with th...