13. Square-groove weld, butt joint, horizontal position Model Video Publisher Hobart Institute of Welding Technology Member of Shielded Metal Arc Welding : Basic (SMAWB)
14. Square-groove weld, butt joint, horizontal position, destructive test Model Video Publisher Hobart Institute of Welding Technology Member of Shielded Metal Arc Welding : Basic (SMAWB)
08. Surface and centerline relationships Model Video Publisher Hobart Institute of Welding Technology
