This video is a heating demonstration of a concrete block by the halogen line heater condensing type.

Related page:

Aluminum can heating with halogen line heater Copy paper heating with halogen line heater No.6 Dryness of paints Ignition of wood pellets by the Air Blow Heater No.4 Curing of gravure offset printing Melt the wire solder with the Halogen Point Heater Heating demonstration of Holing PET bottle by the Air Blow Heater The heating demonstration of Holing Polyethylene bottle by the Air Blow Heater