Subscribe(구독하기)- http://m.youtube.com/c/weldHAGOJIBI - Instagram(인스타그램).- http://www.instagram.com/weldhagojibi - #Not #real #work Hello everyone. Today we made a video on how to fit carbon steel pipes. When fitting pipes in real work, we use a slightly different method. However, I think this method will be useful to practice welding. Thank you for watching. Have a nice day.