LUANNAN COUNTY, China - September 18, 2021: Workers lift the prefabricated ground beam in the workshop, North China

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Photo credit: © YongXin Zhang / Alamy / Afripics
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Keywords: adjustment, beams, building, china, construction, cranes, fabricated, factories, firmness, flexibility, ground, hoisting, industry, lines, materials, modeling, prefabricated, production, steel, structure, work, workers, workshops