View of blast furance control centre

The hot dip galvanising line, where steel sheet is coated with a protective layer of zinc to prevent rust

Exterior view of POSCO’s FINEX 3 plant

Scrap metal and iron ore ready to be sorted and turned into new steel in the electric arc furnace

Checking that rebar meets customer specifications

Stoilensky’s open-pit mine

Operators in the logistics control centre

Removing impurities from coal to make coke – pure carbon – for use in the blast furnace