Hellow guys, Welcome to my website, and you are watching 2018년도 한국기계연구원 주최 과학꿈나무 기계과학제작대회. and this vIdeo is uploaded by jinku park at 2018-10-26T00:34:09-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
