3. Which field okay energy oxyhydrogen generator can apply for 3.1 jewelry industry: A. For welding kinds of chain and string made of platinum, gold, silver, copper, stainless steel, etc. B. For mending tiny sand holes on jewelry casting C. For jewelry repairing (reforming, casting, welding) 3.2 electronic industry: For welding enameled wire, welding led wafer, flame-treating circuit board 3.3 medical industry: A. For welding metal fittings and mending sand holes in dentistry B. No-carbon flame disinfection or glass seal 3.4 laboratory: Providing convenient, safe and clean oxy-hydrogen flame 3.5 organic glass industry: Quick and fine polishing for acryl (organic glass), solving problems that grinding wheel cannot achieve. 3.6 others: For welding or heat treating small metal parts, iron cutting, catalytic combustion of other fuels 1050*300*540 40kg