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0048-Switzerland-Canton-Jura-Choindez-Von-Roll-Factory-Siderurgy-Industry-Worker-Helmet-Smoke-1992.JPG
Switzerland. Canton Jura. Choindez. Von Roll factory. Siderurgy. Tubes manufacture by centrifugation. A worker is wearing a helmet, protective glasses and gloves. An ironworks or iron works is a building or site where iron is smelted and where heavy iron and steel products are made. © 1992 Didier Ruef