 |
| Cleaner Fuels: 21 phrases in 11 subjects |
| Astronautics | 1 |
| Electronics | 5 |
| Energy industry | 5 |
| Firefighting and fire-control systems | 1 |
| Makarov | 1 |
| Nanotechnology | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Physics | 1 |
| Sakhalin | 1 |
| Technology | 3 |
|
| Cleaner Fuels: 21 phrases in 11 subjects |
| Astronautics | 1 |
| Electronics | 5 |
| Energy industry | 5 |
| Firefighting and fire-control systems | 1 |
| Makarov | 1 |
| Nanotechnology | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Physics | 1 |
| Sakhalin | 1 |
| Technology | 3 |