펄스 Pulse Welding 용접
17:59
알곤티그용접/tg welding 박판용접 테크식?방법?촘촘비드/크레이터 무! 쩜 테크식 박판용접 설명중
15:42
Making hydraulic pipe and profile bending machine
10:13
고압파이프,헤비열파이프
7:21
티그용접 손가락 스폿 VS 스폿설정
4:45
Process for TIG welding of sanitary pipe in horizontal position is interesting! Thin stainless steel
28:19
Modifications to machining equipment that you never thought of. Testing new tools
14:15
용접쉽게배우기-한달안에 용접사 되기-2
28:48