Drilling and Blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics, to break rock for excavation.
BLASTHOLE DRILLING IN OPEN PIT MINING. 3. Talking Technically gunpowder. The application of blasting agents apparently began in Hungarian mines.
Experienced drilling and blasting contractor specializing in directional boring, rock bolts, controlled explosions for bridges, highways, homes.