The red-hot metal bar is rolled on a rolling mill
Schlüsselwörter
steel,
mill,
rolling,
metal,
molten,
hot,
industry,
metallurgy,
fire,
factory,
foundry,
plant,
production,
manufacturing,
heavy,
iron,
red,
industrial,
furnace,
heat,
orange,
melting,
business,
power,
process,
spark,
technical,
roller,
pollution,
temperature,
conveyer,
stove,
fuel,
closeup,
burner,
burn,
smoke,
background,
colours,
equipment,
yellow,
workshop,
technology,
generating,
intensive,
casting,
machine,
danger
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