 |
|
pipe connection : 63 phrases in 23 subjects |
| Architecture | 1 |
| Armored vehicles | 3 |
| Automated equipment | 1 |
| Automobiles | 3 |
| Aviation | 6 |
| Construction | 3 |
| Drilling | 3 |
| Electronics | 1 |
| Energy industry | 3 |
| General | 2 |
| Industry | 1 |
| Metallurgy | 2 |
| Military | 3 |
| Oil / petroleum | 10 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Pumps | 2 |
| Rail transport | 5 |
| Sakhalin | 2 |
| Technology | 5 |
| Transport | 1 |
| Weapons of mass destruction | 1 |