![](http://www.alamy.com/thumbs/6/8375904C-A9AA-4A42-9B92-45EBD811DB8E/J78THJ.jpg)
stairs iron steel metal sheet metal zinc galvanized stairs technical industry
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Photo credit: © photographieundmehr / Alamy / Afripics
License: Royalty Free
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Keywords: ascend, clamber, climb, climbing, eisentreppe, engineering, factory, functional, galvanized, gray, grey, industrial, industry, iron, lochblech, metal, metallic, metalltreppe, plant, rise, sheet, stairs, steel, step, steps, technical, tier, tread, uphill, work, zinc