 |
| environmentally friendly: 56 phrases in 19 subjects |
| Agriculture | 1 |
| Automated equipment | 4 |
| Automobiles | 3 |
| Aviation | 1 |
| Business | 2 |
| Drilling | 1 |
| Ecology | 1 |
| Economy | 1 |
| Energy industry | 1 |
| Environment | 4 |
| General | 3 |
| Makarov | 3 |
| Military | 5 |
| Nanotechnology | 17 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 1 |
| Perfume | 4 |
| Technology | 2 |
| Transport | 1 |