… base metal or of metal carbides, coated or cored with flux material, of a kind used for soldering, brazing, welding or …
Explanatory notes
… Wire, rods, tubes, plates, electrodes, etc., of base metal not coated or cored with flux material are excluded … zinc chloride, ammonium chloride, borax, quartz, resin or lanolin) which would otherwise have to be added separately during the soldering, brazing, welding or …