pipe connection: 51 phrases in 21 subjects |
Architecture | 1 |
Armored vehicles | 3 |
Automated equipment | 1 |
Automobiles | 2 |
Construction | 3 |
Drilling | 2 |
Electronics | 1 |
Energy industry | 3 |
General | 2 |
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 | 2 |
Transport | 1 |
Weapons of mass destruction | 1 |