sentences:  Blasting caps are ignited utilizing hand-held intrinsically safe control boxes which employ a series of safety interlocks and switches which require a strict radio sessioning handshake protocol between the unit which ignites the cap and the unit used by the Master Blaster controlling the shot, ensuring that the emplaced Tovex, detonation cord, and caps cannot ignite prematurely.After detonation, the material is completely utilized; there is no discernible residue, unless one employs microscopic analysis.Typically, Tovex and other commercial explosives employ embedded taggants which identify the product and often the agency which purchased the material.