In the production of steel mills
Schlüsselwörter
industry,
steel,
iron,
metal,
material,
smelting,
china,
factory,
industrial,
production,
hot,
safety,
spark,
furnace,
red,
light,
dangerous,
manufacturing,
casting,
metallurgy,
processing,
equipment,
pot,
plant,
work,
machinery,
flames
Deutsch
