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| conservation No definition needed; nature conservation Active management of the earth's natural resources and environment to ensure their quality is maintained and that they are wisely used; nature protection Precautionary actions, procedures or installations undertaken to prevent or reduce harm to the elements of the material world that exist independently of human activity | |||
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dabas aizsardzibas : 11 do fraz, 1 tematyki |
| Ochrona środowiska | 11 |