gas | |
coal. chem. | solids-gas separation |
econ. | gas |
tech. | petrol |
gases | |
environ. | gas; gas |
health. | gases |
European: 16 phrases in 9 subjects |
Economy | 1 |
Education | 2 |
Electronics | 2 |
Finances | 1 |
General | 3 |
Information technology | 3 |
Medical | 1 |
Nuclear physics | 2 |
Physical sciences | 1 |