Since relighting the blast furnace in Redcar last year, 2.5 million tonnes of steel has been made.
You can watch how it is made below.
(This video does not have audio.)
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Emma Jesson brings you Sunday night's forecast
Wet and windy spells, interspersed with drier interludes this week. Breezy with wintry showers, variable temperatures and a weather warning
Mostly cloudy, some bright spells, rain on and off and blustery. Milder temperatures than on Saturday