This video is Clear glass coating by the Halogen Point Heater.
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The stainless pipe in a glass tube is heated with a halogen point heater 
Heating of Glass and Tin 
Heating of glass and lead 
Heating of glass and Aluminum 
Dissolution of black glass beads with a halogen point heater HPH-160/f40 
Heating dissolution of green glass pieces with a halogen point heater HPH-160 / f40 
Heating dissolution of brown glass pieces with a halogen point heater HPH-160 / f40 
Hot-air drying of the glass bottle