Lecture 5: Welding power source - 1
1:01:55
Lecture 7: Welding Power sources characteristics-1
49:12
Lecture 3: Parts of weld joint
57:51
Lecture 10: Physics of welding - 2
30:24
Ultrasonic testing -1
8:53
4 Ways to Eliminate Arc Blow
49:38
Lecture 2: Classification of welding and joints
6:38
Welding Power Source Basics
3:57