Hellow guys, Welcome to my website, and you are watching 아크용접 수평백비드 및 비드내기(학생실습)_Arc welding_welding lessons. and this vIdeo is uploaded by 에듀강닷컴TV at 2012-11-17T21:24:30-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
