Question

Conversion of raw materials into usable products is known as option A agro based industries B manufacturing industries C mineral based industries D the forest based industries

Answer 1

Manufacturing industries is the correct option...

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Answer 2

Mineral based industries are primary industries that use mineral ores as their raw materials. ... Iron made from iron ore is the product of mineral based industry. This is used as raw material for the manufacture of a number of other products, such as heavy machinery, building materials and railway coaches.