Question

why is iron termed as the backbone of all industries

Answer 1

Iron and Steel Industry is often called the backbone of modern industry. Almost everything we use is either made of iron or steel or has been made with tools and machinery of these metals. Ships, trains, trucks, and autos are made largely of steel.

Answer 2

BECAUSE IRON IS CHEAP AS WELL AS STRONG STELL IS EXPENSIVE AND IRON IS USED FOR MAKING CARS EQUIPMENTS ETC SO IT IS BACKBONE