2 techniques that professional welders use to weld square tube in vertical position. I wish you all a happy and successful video in life, if you find the video interesting and useful, leave a like and subscribe to my support channel. Thank you for watching the video Tik tok : https://shorturl.asia/re9BK Facebook fanpag ; https://shorturl.asia/7iH8a #welding #howtowelding #weldingtechnique #weldingmachine #oldsteel tag welding diy arc welding tig welding tig welding tips tig welding basics tig welding for beginners how to welding tig welding for beginers welding diy project welding idear square pipe welding mig welding gas welding welding project aluminuim welding how to weld metal how to mig weld stick welding for beginers how to tig weld pipe welding welding positions welding diy tools welding machine mig welding welding work how to welding