CONCRETE BLOCK BUILDING WALL PANELS INCLUDING INSULATED CONCRETE BLOCK BUILDING WALL PANELS BUT NOT INCLUDING THE UNASSEMBLED COMPONENT BLOCKS OF SUCH PANELS

RADIANT HEATING DEVICES OPERATING ON THE PRINCIPLE OF HEATING A METAL PANEL DIRECTLY BY COMBUSTION OF GASEOUS OR LIQUID FUEL SO THAT HEAT WAVES PRODUCED ON THE METAL PANEL WILL BE RADIATED TO AREAS OR OBJECTS TO BE HEATED