räbukeevituse e elekter-räbukeevituse protsessi/operatsiooni edasiarendus, mille puhul püstõmbluste keevitamisel detailide servade vahelist püstsuunas liikuvat keevisvanni kuumutatakse kaitsegaasis põleva keevituskaarega (vrd elekter-räbukeevitus), a single-pass arc welding process that produces coalescence of metals by heating them with an arc between a continuous filler metal electrode and the work; molding shoes are used to confine the molten weld metal for vertical position welding and the electrodes may be either flux cored or solid; shielding may or may not be obtained from an externally supplied gas or mixture (compare: electroslag welding)