 |
| 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 |