production heat steel mill illustration industry manufacturing, smelting casting, alloy iron production heat steel mill
Palabras clave
production,
heat,
steel,
mill,
illustration,
furnace,
metal,
industry,
manufacturing,
machinery,
smelting,
casting,
alloy,
iron,
temperature,
molten,
process,
equipment,
foundry,
fabrication,
welding,
forging,
melting,
hot,
making,
carbon,
work,
blast,
rolling,
ingot