... -1300W100ml/h250-400liter/h7ml/h52×32×30(CM)37KG47This flame polishing machine electrolyze water into hydrogen, then we can ... use hydrogen flame to do polish, and welding. No pollution. Application:This ... Jewelry, Perspex, electronic, electrical machinery, motol fridge, cool air lamp, quarze processing, candle mould, tooth mould, gold, silver, copper ...