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.
The East India Company found that the ore yielded top-quality iron. So in 1619 they sent iron-workers out to set up smelting operations. Three years later, just as a settlement of 25 people was starting to smelt iron near present-day Richmond, Virginia, Indians massacred them and destroyed their furnaces.