WEN 100 · Welding EngineeringSession 5 · Hour 1 · The zone that changedInstructor cue 열영향부는 비드의 이웃.90 minNow Open · 5 min left · next Demo한ENScriptBodyClearHour 1The zone that changedHour 2Follow The zone that changedHour 3Your turn · The zone that changedHour 4Check The zone that changedThis browser cannot play the film.CheckHAZ is the neighbour of the bead. Week 5: name, order, result. Then HAZ is the neighbour of the bead.