environmental, engineering : 36 phrases in 18 subjects |
Agriculture | 1 |
Aviation medicine | 3 |
Construction | 2 |
Ecology | 9 |
Education | 1 |
Energy industry | 3 |
Engineering | 1 |
Gas processing plants | 2 |
General | 1 |
Law | 1 |
Makarov | 1 |
Metrology | 1 |
Mining | 1 |
Production | 1 |
Security systems | 1 |
Technology | 2 |
Water supply | 4 |
Weapons of mass destruction | 1 |