Tools and weapons made from iron and copper Metal working Crossword

The farmers knew how to extract iron and ______ from rock and they built furnaces for this process.
These furnaces were made hot by using ______ made from animal skin to blow air into the fire.
They were very hot and separated the iron ore from the ______.
The farmers made the furnaces. This was called ______.
This iron was then reheated so that it became ______ after which it was hammered and made into a useful tool.
This was called ______.
Tools, ______ and ornaments were made from these metals.
These tools were very important to the ______.
They needed ______ to cut down trees and hoes to break up the soil, weed the fields and harvest their crops.
Their weapons were arrowheads, knives and ______.