Hellow guys, Welcome to my website, and you are watching Оптика. Основные характеристика света. Отражение и преломление световых волн. 8-9 класс.. and this vIdeo is uploaded by Центр развития одаренности at 2020-04-24T03:34:42-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
