gas : 471 phrases in 23 subjects |
Agriculture | 6 |
Astronomy | 29 |
Biology | 1 |
Chemistry | 42 |
Construction | 233 |
Ecology | 2 |
Economy | 11 |
Energy industry | 17 |
Engineering | 6 |
Environment | 62 |
Forestry | 3 |
General | 18 |
Law | 1 |
Life sciences | 1 |
Mechanic engineering | 1 |
Natural sciences | 1 |
Obsolete / dated | 6 |
Politics | 1 |
Soil science | 3 |
Technology | 13 |
Transport | 12 |
Ventilation | 1 |
Welding | 1 |