Why is iron and steel industry called a heavy industry? Give three reasons.
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Explanation:
Iron and steel industry is called a heavy industry
All the raw material as well as finished goods are heavy and bulky entailing heavy transportation costs.
Iron ore, coking coal and limestone are required in the ratio of 4:2:1 approximately. Some quantity of manganese is also required to harden the steel.
Steel is required for manufacturing variety of engineering, construction and defence goods. Verious ship building industries, aircrafts, transport equipments etc require steel which is a finished product of the irona dn steel industry.
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