2 techniques que les soudeurs professionnels utilisent pour souder des tubes carrés
33:41
12 Welding Tips for Beginners | Basic Welding Guide | Arc Welding Tips and Tricks
5:09
few know the secret trick of welding galvanized square pipes | arc welding
10:15
Secret techniques for the basic science of welding thin square pipes for beginners
8:02
Few people know about 1mm welding
10:06
Busting Fake Internet Welds
14:32
Why Use High Current TIG Welding?
28:29
32 Ingenious Secrets & Tricks You Will Use Everyday That Work Extremely Well
25:54