gas: 221 phrases in 23 subjects |
Chemistry | 49 |
Coal | 1 |
Construction | 1 |
Earth sciences | 2 |
Ecology | 2 |
Economy | 11 |
Education | 1 |
Energy industry | 21 |
English | 1 |
Environment | 60 |
Forestry | 3 |
General | 18 |
Industry | 1 |
Law | 3 |
Life sciences | 1 |
Mechanic engineering | 2 |
Medical | 3 |
Natural sciences | 2 |
Obsolete / dated | 2 |
Physical sciences | 9 |
Politics | 1 |
Technology | 3 |
Transport | 24 |