SMA 110 · Shielded Metal Arc Welding
Session 3 · Hour 1 · Carbon hardens
Instructor cue 밀시트부터.
90 minNow Open · 5 min left · next Demo
CheckDecode E4316. Name the dry heat. Measure coat thick and thin. Keep eccentricity under three percent. A damp low-hydrogen rod is a crack waiting.