Why is steel important in modern life?, Because it is light only , Because it is cheap , Because it is strong and used in infrastructure , Because it breaks easily , What is produced in the first step? , Ready steel , Molten iron , Gas, Plastic , What is the purpose of Primary Steelmaking? , Cooling the iron , Shaping the iron , Removing impurities like excess carbon , Coloring the steel, What is used in Primary Steelmaking?, Cold water , Oxygen or an electric furnace , Air only , Plastic , What happens during casting?, Heating the steel, Pouring steel into molds to cool and solidify , Coloring the steel , Grinding the steel , Which processes are used in the final stage?, Welding, machining, and surface treatment , Melting , Evaporation , Freezing .

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