WSP 110 · Welding Standard ProcedureSession 3 · Hour 1 · Groove by thicknessInstructor cue 두께부터.90 minNow Open · 5 min left · next Demo한ENScriptBodyClearHour 1Groove by thicknessHour 2Fillet kindsHour 3Plug and slotHour 4Build-upThis browser cannot play the film.CheckThickness picks the groove. Load picks the fillet. Name I/V/X by mm. Stagger vs chain.