Use of ammonia gas: fertilizer and various ammonia containing compound, various amidogen, acyl and other ammonia containing testing agents (explosives) etc.
With this assembly the user can redundantly initiate any cap sensitive explosive charge with up to a 200 foot standoff and needs no additional firing devices.
This paper aimed at the safety problems of the explosive production lines, analyzed the state of entrucking industrial explosive, and calculated the distance that sympathetic detonation do not happen.