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Очистка загрязненной воды (9 ore 8 feb 2021 anni – 17 ore 8 feb 2021 anni)

Descrizione:

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

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ByЕлена Маласаева

8 feb 2021

2

0

2108

Data:

9 ore 8 feb 2021 anni

17 ore 8 feb 2021 anni

~ 8 hours

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