| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Blasting unit | Mining | A portable device including a battery or a hand-operated generator designed to supply electric energy for firing explosive charges in mines, quarries, and tunnels. Syn: blaster; exploder; shot-firing unit. See also: single-shot blasting unit; multiple-shot blasting unit. (references) | |
| Multiple-shot blasting unit | Mining | A multiple-shot blasting unit is designed for firing simultaneous explosive charges in mines, quarries, and tunnels. Syn: blasting unit. (references) | |
| Permissible blasting unit | Mining | An electrical device for firing blasts, approved by the U. S. Mine Safety and Health Administration. (references) | |
| Single-shot blasting unit | Mining | A single-shot blasting unit is a unit designed for firing only one explosive charge at a time. Syn: blasting unit. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
