 |
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| conservation of resources; conservation | |||
| охорона: 354 phrases in 21 subjects |
| Agriculture | 1 |
| American usage, not spelling | 2 |
| Armored vehicles | 1 |
| Aviation | 9 |
| Chemistry | 1 |
| Diplomacy | 5 |
| Earth sciences | 1 |
| Ecology | 17 |
| Economy | 31 |
| Environment | 27 |
| Finances | 15 |
| General | 35 |
| Health care | 1 |
| Human rights activism | 9 |
| Informal | 1 |
| Law | 81 |
| Medical | 3 |
| Military | 109 |
| Oil and gas | 3 |
| Technology | 1 |
| United States | 1 |