Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching how to weld thin square pipe joints 90 degrees precision for beginners. and this video is uploaded by KULI WELDING at 2022-11-18T02:31:26-08:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [BL7F4AlBI4w]