A thermoplastic is a type of plastic made from polymer resins that becomes a homogenized liquid when heated and hard when cooled.
As similar as colonial iron manufacture was to that of medieval Europe, yet it differed greatly from the type of iron manufacture in eighteenth century early modern Europe. Existing conditions of natural resources greatly affected the development of technical innovation in the field of iron manufacture.
Iron Age Kingdom: Iron Smelting in Africa- Bonus Blog Post. The Iron Age of Africa is generally considered to have taken place between 200 AD and 1000 AD when iron smelting was a practice. In Africa, the Iron Age was not prefaced by the Bronze or Copper Age, instead, all of the metals were brought together. The advantages of Iron are obvious, easier to cut trees with and easier to shave stone. In the 2nd millenium BC, it is believed that Western Asians invented the process of iron smelting.