Steel rolling mill

Keywords:

iron, organization, heavy, pipeline, sparks, metal, technology, plant, action, environment, pipe, factory, red, manufacture, piping, molten, bright, heat, melting, metallurgy, industry, roll, production, equipment, machine, bluming, hot, foundry, processing, machinery, industrial, melted, fused, orange, spindle, press, color, business, pollution, conveyor, welding, roller, technical, power, manufacturing, temperature, burner, spark,