TERMINOLOGYBLAST - The operation of rending (breaking) rock by means of explosives. . BOOTLEG - That portion of a borehole that remains relatively intact after having . CONDENSER DISCHARGE (CD) BLASTING MACHINE - Blasting machine that.sanad blasting operation after machining,1926.906 - Initiation of explosive charges-electric blasting. - OSHAIn underground operations when firing from a power circuit, a safety switch shall . After firing an electric blast from a blasting machine, the leading wires shall be.
sanad blasting operation after machining