плавление стекла в газовом пламени
плавление стекла!
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![[ОффТоп] Попытка плавки стекла](https://sun9-48.userapi.com/LUTANbG2KhTCVdipuLuLPfJ85b69OiPZRYan6A/phMCxKFM9VY.jpg)
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