Q1: Wrought iron is manufactured from pig iron by

ANS:E - all the above.

The puddling furnace is a metal making technology used to create wrought iron or steel from the pig iron produced in a blast furnace.

Refining-it one type of iron making process.

Shingling was a stage in the production of bar iron or steel.

Rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness and to make the thickness uniform.