4f - Welding Position Full [extra Quality]

Success in the 4F position requires precise control over heat and the weld puddle to prevent sagging or dripping.

| Defect | Cause | |--------|-------| | Dropped puddle / sagging | Too much heat, long arc | | Lack of fusion | Insufficient heat, poor angle | | Undercut | Excessive current, improper manipulation | 4f welding position full