This is a video of caramelizing the sugar on the biscuit with the Halogen Point Heater.

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Hot-air heating of the biscuits Coffee siphon heating The stainless pipe in a glass tube is heated with a halogen point heater Heat dissolution of nylon yarn Temperature rising time of HPH-12/f6/12V-20W Temperature rising time of HPH-18/f9/12V-40W Heating of the head of iron nails Heating of the refractory brick