Amazing Glass Blowing By Professional Craftsman | Very Satisfying Video.

support channel barid bank: El maghraoui abdessamad : 350 810 0000000012184595 62 0:00 Traditional glass products such as tableware, containers, tubes and rods, flat glass, and fibreglass are formed of glass made by the melting process. 0:07 Tubes and rods are made in three processes: the Danner process, the downdraw process, and the Vello process. In the Danner process, a continuous stream of glass flows over a hollow, rotating mandrel that is mounted on an incline inside a surrounding muffle. 0:17 With the rotation of the needle, the downward glass flow gradually forms a hollow tubular envelope that is drawn ultimately into a tube. The tube shape is maintained by a stream of air blown through the mandrel. 0:30 Glass-fibre is usually produced by allowing a molten glass stream to drop into a spinning cup that has numerous holes in its wall. 0:52 A masterpiece is not yet completed, but it needs root they treat it whit carefull this is the most impo