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| специалисты по охране окружающей среды: 10 phrases in 7 subjects |
| Construction | 1 |
| Ecology | 3 |
| Environment | 1 |
| General | 2 |
| Medical | 1 |
| Mining | 1 |
| Water supply | 1 |
|
| специалисты по охране окружающей среды: 10 phrases in 7 subjects |
| Construction | 1 |
| Ecology | 3 |
| Environment | 1 |
| General | 2 |
| Medical | 1 |
| Mining | 1 |
| Water supply | 1 |