National Mining Hall of Fame and Museum - A blasting cap is a small, easy-to-ignite, primary explosive device used to detonate a more powerful secondary explosive, such as dynamite. The first blasting
1936 PAPER AD Red Cross Extra Dynamite Wood Wooden Box Blasting Caps Dupont | eBay
Intensive farming and use of dynamite . e care,a great deal of dynamite can be handled before it is necessary todestroy the gloves. 92 EXPLOSIVES AND BLASTING SUPPLIES BLASTING SUPPLIES When