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| регенерация отходов; утилизация отходов | |||
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| вторичное использование отходов (Процесс получения материалов или энергетических ресурсов из отходов) | |||
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récupération de déchets : 4 phrases in 2 subjects |
| Chemistry | 1 |
| Natural resourses and wildlife conservation | 3 |
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