Blast Training International

A blast hole which contains no detectable water.

Diagonal line of blastholes in a staggered pattern.

Thrown out violently.

Nonelectric detonator complete with delay train components, before assembly onto signal tube.

Means any of the following events involving an explosive -

(a) an explosive is, or appears to have been, lost or stolen;

(b) an accidental explosion, fire or spillage;

(c) the death of or an injury to a person;

(d) unexpected damage to property;

(e) an event, including a misfire, with the potential to cause any of the events mentioned in
paragraphs (a) to (d), other than an event that normally happens when handling or using an explosive.

An unintended electrical current from a source other than the firing device which could initiate a detonator including stray currents,
induced currents, static electricity and radio frequency energy.

Heavy duty insulated wires used to extend an electric blasting circuit to the firing point.

Of a flammable liquid is the lowest temperature at which it can form an ignitable mixture in air.

The size distribution of material left in the muck pile after the blast.
An increase in fragmentation corresponds to a higher percentage of rock fragments passing through a particular aperture size.

A face or void aligned at the end of the rows of the blast.
The free end provides holes on the end of the rows with relief in two directions, to the face and to the end.