What are the precautions for using adjustable steel supports in buildings?

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Key requirements and matters for the construction of buckle scaffolding

Heilongjiang: the construction site collapsed and 2 people were trapped

be careful! Kongtong district urban area this road adopts half closed construction

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Failure to obtain construction permit and organize completion acceptance! Shandong Fuyu Petrochemical Co., Ltd. was fined 695900 yuan