9 GAS MIXERS FOR BLENDING GASES IN SELECTED PROPORTIONS; HAND TYPE WELDING, CUTTING, AND BRAZING TORCHES AND TORCH ASSEMBLIES INCLUDING OUTFITS AND KITS FOR HEATING, WELDING, SOLDERING AND BRAZING THAT INCLUDE A TORCH AND TORCH TIPS AND OTHERS THAT ADDITIONALLY INCLUDE ONE OF MORE OF THE FOLLOWING: A PRESSURE REGULATOR, GOGGLES, HOSE AND LIGHTER