Ключевые слова: aluminum, aluminum sheets, environment, factory, factory environment, factory interior, galvanized, galvanized steel, industrial, industrial background, industrial equipment, industrial machinery, industrial manufacturing, industrial production, industrial setting, machinery, manufacturing, manufacturing facility, manufacturing industry, manufacturing plant, metal fabrication, metal industry, metal manufacturing, metal processing, metal rolls, metal sheets, metalwork, metalwork industry, metalworking, production, rolls, sheet metal, sheet metal rolls, steel, steel production,