ID: 31232 An engineer inspecting hot air injection unit in a blast furnace Free download Keywords blast furnaceironPOSCOSouth Koreahot air injection unitPohang Steelworksinspection Categories Production Process, Country, Producer, Facility, Ironmaking, South Korea, POSCO, Pohang Steelworks (POSCO) Related items Hot rolling steel plate Inspecting steel coils Hot slab just before rolling Exterior of the cold rolling mill and power plant Scrap metal and iron ore ready to be sorted and turned into new steel in the electric arc furnace View of engineer through cold rolled coil Rolling and storing coils Moving steel plate