|
blast-hole : 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 |