EDEV

Explosives for use in mining, construction, excavation and related industries; detonators; blast programming equipment sold together as a unit with the explosives and detonators, namely, loggers in the nature of a blast initiation device for reading and storing detonator identification numbers, for testing detonators, and for timing and sequencing detonators, scanners, blasters in the nature of a blast initiation device for charging and controlling the firing of detonators, blast boxes in the nature of a blast initiation device for arming and firing detonators, and electronic testing equipment for testing the integrity of firing circuits used for detonating explosives; computer software and firmware for the operation of the blasting equipment sold together as a unit with the explosives and detonators