U bend : 38 phrases in 15 subjects |
Chemistry | 1 |
Construction | 3 |
Electrochemistry | 2 |
General | 2 |
Makarov | 1 |
Mechanic engineering | 2 |
Nautical | 3 |
Oil / petroleum | 5 |
Oil and gas technology | 1 |
Oilfields | 1 |
Pipelines | 4 |
Road works | 1 |
Technology | 2 |
Thermal engineering | 7 |
Transport | 3 |