Mining, manufacturing and steelmaking are some of them.

A. Jackson has written:

'Modern steelmaking for steelmakers'

Steelmaking, printing, gunpowder, and compasses

what caused the steelmaking industry to boom and why?

The steel-making industry boomed mainly because of a new manufacturing technique called the Bessemer steel process. this allowed steel to be produced at a much faster pace allowing the industry to boom. :)

Maurice Walter Hubbard has written:

'Steelmaking for steel founders' -- subject(s): Refractory materials, Slag