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| environmental air | |||
| воздух окружающей среды: 19 phrases in 10 subjects |
| Ecology | 1 |
| Energy industry | 2 |
| General | 1 |
| Makarov | 3 |
| Medical appliances | 2 |
| Military | 3 |
| Natural resourses and wildlife conservation | 3 |
| Pharmacy and pharmacology | 1 |
| Refrigeration | 1 |
| United Nations | 2 |