Hellow guys, Welcome to my website, and you are watching 산업재해 1위 추락사고 '해결책'은 없는가(3편마지막-전문로프접근기술의 활용도). and this vIdeo is uploaded by 한국산업로프협회 at 2020-03-26T02:15:00-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
