Химия на твоей полке. Екатерина Сигарева, учитель химии, победитель 2 сезона нашего телешоу
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![Галилео | Сухой лёд 🍧 [Dry ice]](https://sun9-20.userapi.com/0emgNZEGhQzJun3y1OEhTX6p8l2qGZEm5OjbBg/GChWvLtyNpc.jpg)
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