WSP 110 · Welding Standard Procedure
Session 5 · Hour 1 · Prepare and jig
Instructor cue 걸음부터.
90 minNow Open · 5 min left · next Demo

Welding procedure is every step, not the spark.
CheckA design that cannot be built is not a design. Tack not at ends. Butt then fillet. Clean first.