Question

why iron and steel industry is called the backbone of a nation

Answer 1

Steel and iron are known as the backbone of contemporary industry because:
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.

Answer 2

Iron and Steel industry is called the backbone of a nation it is just because of this because all the machines which are being used in the small scale industries are made by the steel