dead area: 16 phrases in 14 subjects |
Architecture | 1 |
Cement | 1 |
Computer graphics | 1 |
Construction | 2 |
Drilling | 1 |
Makarov | 1 |
Military | 1 |
Oil / petroleum | 1 |
Oil and gas | 2 |
Oil and gas technology | 1 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 1 |
Thermal engineering | 1 |