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conservation district |
район охраны: 54 phrases in 11 subjects |
Ecology | 4 |
Electronics | 2 |
Energy industry | 1 |
Environment | 2 |
Firefighting and fire-control systems | 6 |
Military | 16 |
Nautical | 7 |
Shipbuilding | 1 |
Technology | 3 |
United Nations | 9 |
Water supply | 3 |