34 WELDING RODS; WELDING ELECTRODES; BRAZING AND SOLDERING WIRE AND RODS; FLUXES FOR WELDING, BRAZING AND SOLDERING; LIQUID SURFACE COATINGS FOR SURFACES TO BE WELDED; LIQUID MASKING COMPOUND FOR PROTECTING METAL SURFACES FROM WELDING SPATTER AND HEAT DISCOLORATION; AND A HEAT BARRIER COMPOUND IN THE FORM OF A HEAT-RESISTANT PLASTIC PUTTY