 |
| |||
| explosives technology | |||
| blasting practice; blasting technique | |||
| blasting technology | |||
| техника взрывных работ: 3 phrases in 3 subjects |
| Cement | 1 |
| Oil and gas | 1 |
| Technology | 1 |
|
| |||
| explosives technology | |||
| blasting practice; blasting technique | |||
| blasting technology | |||
| техника взрывных работ: 3 phrases in 3 subjects |
| Cement | 1 |
| Oil and gas | 1 |
| Technology | 1 |