tavapärase TIG-keevituse arendus, kus lisametallina kasutatakse pidevalt etteantavat (ettekuumutamata) keevitustraati (vt TIG-keevitus; vrd TIG-kuumtraatkeevitus), a welding process that uses a non-consumable tungsten electrode to create an electric arc between the workpiece and a separate wire feeder that provides cold (i.e. not pre-heated) filler metal (see: gas tungsten arc welding/TIG welding; compare: hot-wire GTAW/hot-wire TIG welding)