Why is iron and steel industry called feeder industry?

The iron and steel industry is referred to as a feeder industry because it provides essential raw materials for various downstream industries such as construction, automotive, and manufacturing. It supplies the foundational materials needed for producing a wide range of products, making it critical for economic development and infrastructure. Additionally, its products serve as inputs for industries like machinery, appliances, and transportation, further emphasizing its role in supporting and feeding other sectors of the economy.