why do you think iron and steel is the back bone of mondern industria economy ????
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why do you think iron and steel is the back bone of mondern industria economy ????
why do you think iron and steel is the back bone of mondern industria economy ????
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1. nearly everything is created of steel or iron or has been created with tools and machinery off these metal.
2. Ships, trains, trucks and autos are created mostly of steel or iron. Even the protection pin are made of steel or iron.
3. Minerals are well-mined with steel or iron equipment.
4. giant buildings have steel or iron framework.
5. Oil wells are trained with steel or iron machinery.