 |
| чистый воздух: 53 phrases in 20 subjects |
| Abbreviation | 1 |
| Acoustics | 1 |
| Air conditioners | 1 |
| Automobiles | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Ecology | 4 |
| Energy industry | 7 |
| Environment | 3 |
| General | 5 |
| Informal | 1 |
| Makarov | 11 |
| Material safety data sheet | 1 |
| Nanotechnology | 1 |
| Oil / petroleum | 2 |
| Refrigeration | 1 |
| Sakhalin | 1 |
| Technology | 4 |
| Transport | 2 |
| United Nations | 4 |