Hellow guys, Welcome to my website, and you are watching Видео занятие по теме "Дробление". Преподаватель Васильева А.А.. and this vIdeo is uploaded by ГБПОУ РС Я Горно-геологический техникум at 2020-10-11T17:31:00-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
