This video is a demonstration to heating of the brass ring with a halogen point heater HPH-160 / f40.
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Related page:
Dissolution of the aluminum pull-top with a halogen point heater HPH-160/f40 
Heating dissolution of aluminum wire 
Heating of glass and Aluminum 
Heating dissolution of Stainless steel nails with a halogen point heater HPH-160 / f40 
Aluminum can heating with Halogen Point Heater 
The stainless pipe in a glass tube is heated with a halogen point heater 
The aluminum tube in a glass pipe is heated with a halogen point heater 
Dissolution of tin