 |
| отрезок трубы: 35 phrases in 15 subjects |
| Construction | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Forestry | 1 |
| General | 2 |
| Makarov | 2 |
| Mechanic engineering | 2 |
| Military | 1 |
| Mining | 3 |
| Oil / petroleum | 10 |
| Oil and gas | 4 |
| Oil and gas technology | 3 |
| Rail transport | 1 |
| Sakhalin | 1 |
| Technology | 1 |
| Welding | 1 |