LUANNAN COUNTY - AUGUST 16: Rectifying column in a factory, on august 16, 2014, Luannan County, Hebei Province, China

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Photo credit: © YongXin Zhang / Alamy / Afripics
License: Royalty Free
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Keywords: chemical, construction, equipment, features, frame, industrial, industry, machinery, metal, outdoor, pipeline, plant, processing, production, rectification, structure, tower, truss, workshop