Worker opens valve red-hot fiery furnace and pulls out from there red of workpiece.
Palabras clave
metal,
hot,
steel,
foundry,
furnace,
mill,
iron,
manufacturing,
burn,
red,
industry,
molten,
heat,
orange,
power,
fire,
fuel,
factory,
technical,
production,
process,
temperature,
yellow,
industrial,
oven,
hardening,
bright,
image,
object,
equipment,
warm,
heavy,
melting,
metallurgy,
quenching
