ID: 31232An engineer inspecting hot air injection unit in a blast furnace Free downloadKeywords ironPOSCOSouth Koreahot air injection unitPohang Steelworksinspectionblast furnaceCategories Production Process, Country, Producer, Facility, Ironmaking, South Korea, POSCO, Pohang Steelworks (POSCO)Related itemsPlant operator in full personal protection equipment (PPE) deslagging the zinc bath at the hot-dip galvanising line Close-up of steel wire rod Hot-rolling process at NLMK Indiana (NLMK Group) Exterior view of the Ternium logo on the side of the facility Inspecting wire rod coils Unloading iron ore pellets The first coil rolled at the hot strip mill Removing impurities from coal to make coke – pure carbon – for use in the blast furnace