The red-hot metal bar is rolled on a rolling mill
Keywords
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