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.
Axe of iron from Swedish Iron Age, found at Gotland, Sweden. Axe of iron from Swedish Iron Age, found at Gotland, Sweden. In the period from the 12th to 10th century BCE, there was a rapid transition in the Middle East from bronze to iron tools and weapons.