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| sound water use | |||
| rational utilization of water (resources) | |||
| рациональное использование водных ресурсов: 15 phrases in 9 subjects |
| Agriculture | 1 |
| Animal husbandry | 1 |
| Ecology | 6 |
| Makarov | 1 |
| Name of organization | 1 |
| Technology | 1 |
| United Nations | 2 |
| Water resources | 1 |
| Water supply | 1 |