Hướng dẫn hàn ngang 2F #welding
10:15
It's perfectly fine, but most TIG welders don't know how to do this.
7:45
3g welding is extremely easy for beginners
34:15
I Regret Not Having Learned These 18 Secrets And Tricks At Age 50
6:13
MIG Welding Basics part 6 Tee Joint Drill
8:43
2G soldering tricks few people know
5:32
2G Welding (Korea welding master Lee Sangman) (이상만 대한민국 용접 품질 명장, 삼성중공업 용접 명장) 송원국제 ,외국인 용접공
9:37
Bài giảng: Trình tự hàn góc 1 phía vị trí 2F
10:06