Hellow guys, Welcome to my website, and you are watching Опасные и чрезвычайные ситуации. Видеоурок по ОБЖ 5 класс. and this vIdeo is uploaded by InternetUrok.ru at 2016-10-31T05:28:41-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.