Hellow guys, Welcome to my website, and you are watching 꿀 정보 1) "적정기술의 정의" 이 영상으로 정리한다!ㅣ적정기술이란?. and this vIdeo is uploaded by 적정온 l 적정ON [적정기술과 메이커] at 2021-01-01T01:00:06-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
