WGN 100 · Welding Basics
Session 6 · Hour 1 · A defect you can name
Instructor cue 기공. 언더컷. 비드 안의 거짓말.
90 minNow Open · 5 min left · next Demo
CheckPorosity. Undercut. A lie in the bead. Week 6: name, order, result. Then Porosity. Undercut. A lie in the bead.