WSC 110 · Welding Construction
Session 5 · Hour 1 · See it. Then cut it out.
Instructor cue 보고, 깎는다.
90 minNow Open · 5 min left · next Demo

See it. Then cut it out.
CheckFifteen millimetre open butt. Do not pack it. Change the plate. Gap rule. Stop hole. No scrap.