Steelmaking
A stream of red-hot, liquid metal pours from a furnace at
a steelmaking workshop. This is the end of a long process
in which iron ore is transformed into steel, a tough alloy that is strong enough to make girders for
supporting skyscrapers and bridges. The steel may even be moulded into car bodies, woven into
superstrong cables for elevators, or turned into powerful magnets that can levitate maglev trains.062-063-Iron_DPS.indd 62 02/12/16 6:52 pm