Hellow guys, Welcome to my website, and you are watching 2020 01 31 산야초의 건산법강의 제1강 #건설산업기본법의 목적 및 용어, 건설업의 종류 중 종합건설업 설명. and this vIdeo is uploaded by 산야초의 건설교육TV at 2020-01-30T12:45:48-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
