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| environmental limits | |||
| environmental constraints (ssn) | |||
| ограничения среды: 24 phrases in 14 subjects |
| Advertising | 1 |
| Aviation medicine | 1 |
| Construction | 1 |
| Ecology | 5 |
| Economy | 1 |
| Energy industry | 2 |
| Gas processing plants | 3 |
| Industry | 1 |
| Makarov | 1 |
| Mass media | 2 |
| Programming | 2 |
| Road works | 1 |
| Technology | 2 |
| Water supply | 1 |