 |
| соединение труб: 334 phrases in 42 subjects |
| Armored vehicles | 1 |
| Automated equipment | 3 |
| Automobiles | 1 |
| Aviation | 1 |
| Caspian | 2 |
| Communications | 2 |
| Construction | 42 |
| Cycling other than sport | 1 |
| Drilling | 28 |
| Ecology | 2 |
| Electronics | 7 |
| Energy industry | 4 |
| Firefighting and fire-control systems | 1 |
| General | 8 |
| Geology | 1 |
| Makarov | 8 |
| Mass media | 1 |
| Mathematics | 1 |
| Mechanic engineering | 9 |
| Metallurgy | 12 |
| Military | 8 |
| Mining | 6 |
| Nautical | 2 |
| Oil / petroleum | 47 |
| Oil and gas | 15 |
| Oil and gas technology | 31 |
| Oilfields | 3 |
| Pipelines | 26 |
| Plastics | 2 |
| Production | 2 |
| Rail transport | 3 |
| Road works | 1 |
| Sakhalin | 9 |
| Sakhalin A | 1 |
| Sakhalin R | 2 |
| Shipbuilding | 3 |
| Technology | 23 |
| Thermal engineering | 2 |
| Trademark | 1 |
| Transport | 7 |
| Water supply | 1 |
| Welding | 4 |