Hellow guys, Welcome to my website, and you are watching PIS Science Class_The Experiment of Chemical reaction 화학반응실험_2022 Summer. and this vIdeo is uploaded by 포항청담•에이프릴어학원 at 2022-08-03T00:17:06-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
