2) After the first step of setting up the large horizontal bar for large and medium-sized scaffolding is completed.
ringlock scaffolding ledger end
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Construction technology | the constructor shall not assume two or more project leaders at the same time. The construction project implements the lifelong quality responsibility system! The province issued a document
Let students live in the “construction site”? Broken bricks and soil can be seen everywhere in a university dormitory in Guangdong!