|
advanced method : 17 phrases in 13 subjects |
| Automated equipment | 1 |
| Bridge construction | 1 |
| Building structures | 2 |
| Construction | 1 |
| Energy industry | 2 |
| General | 1 |
| Makarov | 3 |
| Military | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Politics | 1 |
| Technology | 1 |