Hellow guys, Welcome to my website, and you are watching [설렘교실] 감염병 예방 ‘30초 손 씻기’ 교육(시각화). and this vIdeo is uploaded by 랄라설쌤 at 2021-07-21T07:03:48-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.