Answer the following questions:

Which industry is often referred as the backbone of modern industry and why?

Iron and steel industry is often referred as the backbone of modern industry. Right from a simple needle to the most complex machinery is made from steel or tools made from steel.

i. Ships, trains, tracks, airplanes etc are made largely with steel.

ii. Oil wells are drilled with steel machinery.

iii. Minerals are mined with steel equipment.

iv. Agricultural equipments are also made from iron and steel.