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Очистка загрязненной воды (9 h, feb 8, 2021 y – 17 h, feb 8, 2021 y)

Description:

Изучение литературы по теме, поиск информации в сети Интернет, "мозговой штурм", выбор из предложенных наиболее оптимальных способов очистки воды

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By Елена Маласаева
8 Feb 2021
2
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2117

Date:

9 h, feb 8, 2021 y
17 h, feb 8, 2021 y
~ 8 hours
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