environmentally sound: 64 phrases in 12 subjects |
Astronautics | 4 |
Construction | 1 |
Ecology | 25 |
Energy industry | 5 |
European Bank for Reconstruction and Development | 5 |
Foreign affairs | 1 |
Makarov | 3 |
Nautical | 1 |
Oil / petroleum | 1 |
Technology | 1 |
United Nations | 15 |
Weapons of mass destruction | 2 |