WEN 100 · Welding EngineeringSession 3 · Hour 1 · The poolInstructor cue 소음이 아니라 웅덩이를 본다.90 minNow Open · 5 min left · next Demo한ENScriptBodyClearHour 1The poolHour 2Follow The poolHour 3Your turn · The poolHour 4Check The poolThis browser cannot play the film.CheckWatch the puddle, not the noise. Week 3: name, order, result. Then Watch the puddle, not the noise.