Guidelines for Erection and Safety Management of Steel Pipe Fastener Scaffolding 丨 Page 89.
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[construction] the illustration of 89 kinds of structural reinforcement components is completed. It is recommended to collect it!
Four people were killed and seven injured when the top floor of the office building collapsed. Waterproof construction was carried out at 3:10 p.m. on August 8 (Sunday)
The north section of Qinglinghe Road, the west side of the big market, began to encircle the construction
