and dabbing (or oscillating) it into the welding arc. It can be used in conjunction with pulsed current, and is used to weld a variety of alloys, including titanium, nickel, and tool steels. Common applications include rebuilding seals in jet engines and building up saw blades, milling cutters, drill bits, and mower blades. Notes References External links Guidelines for Gas Tungsten Arc (GTAW) Welding Selection and Preparation Guide for Tungsten Electrodes Tungsten Electrode Guidebook: Guidebook for the Proper Selection and Preparation of Tungsten Electrodes for Arc Welding Arc welding Tungsten