Hellow guys, Welcome to my website, and you are watching 납땜을 할 때 주의해야 할 점 - PCB에서 납땜 제거와 납땜을 잘하는 방법. and this vIdeo is uploaded by 냉난방이야기 at 2020-09-11T22:25:46-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.