blast holes : 72 phrases in 16 subjects |
Bridge construction | 1 |
Construction | 1 |
Drilling | 5 |
Electronics | 1 |
Gas processing plants | 1 |
Geology | 1 |
Gold mining | 6 |
Makarov | 7 |
Military | 3 |
Mining | 18 |
Oil / petroleum | 4 |
Oil and gas | 1 |
Polygraphy | 1 |
Road works | 3 |
Technology | 17 |
Transport | 2 |