 |
| |||
| airborne contaminations | |||
| airborne pollution | |||
| загрязнения в воздухе: 18 phrases in 11 subjects |
| Construction | 1 |
| Ecology | 4 |
| Electronics | 1 |
| Energy industry | 2 |
| Environment | 1 |
| Makarov | 3 |
| Mass media | 1 |
| Meteorology | 1 |
| Pharmacology | 1 |
| Technology | 2 |
| United Nations | 1 |
|
| |||
| airborne contaminations | |||
| airborne pollution | |||
| загрязнения в воздухе: 18 phrases in 11 subjects |
| Construction | 1 |
| Ecology | 4 |
| Electronics | 1 |
| Energy industry | 2 |
| Environment | 1 |
| Makarov | 3 |
| Mass media | 1 |
| Meteorology | 1 |
| Pharmacology | 1 |
| Technology | 2 |
| United Nations | 1 |