Scientific Glassblowing - training - Flame polishing - 8mm borosilicate Rod
After cutting glass rod and tube the sharp ends are heated in a flame to melt and smooth the sharp edges without changing the diameter.
Видео Scientific Glassblowing - training - Flame polishing - 8mm borosilicate Rod канала johntheglass
Видео Scientific Glassblowing - training - Flame polishing - 8mm borosilicate Rod канала johntheglass
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