Hellow guys, Welcome to my website, and you are watching 3D프린터로 부품을 직접 만들어 제작하는 드론 / YTN 사이언스. and this vIdeo is uploaded by YTN 사이언스 at 2020-03-19T18:17:01-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
