Ground vibration and airblast are significantly reduced when delay sequences are properly programmed., Records of every explosion are kept on site to help engineers determine the optimal powder factor for future blasts., Unless the safety zone radius is large enough, flying rock may expose personnel to serious hazards., Designed with precision, the three-dimensional blast pattern ensured that the solid body of rock fractured evenly., Drilling the holes to the exact depth required, the operator followed the blast design specifications carefully., Having supervised over 200 conventional blasting operations in the quarry, the Senior Engineer knew exactly how to set off the charges safely., The detonator must be placed securely inside the charge before the hole is stemmed., All blasting operations are supervised by certified personnel who hold a valid blasting ticket., Designed specifically for underground mining operations, this new slurry explosive liberates energy more slowly than conventional dynamite., Fractured by the enormous pressure of the explosion, the rock yielded thousands of tonnes of debris ready for transport., Loading the emulsion into the drill holes, the blasting crew took special care not to damage the detonator wires.

Blasting - basic vocabulary

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