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 meteoric origin of Iron in its first use by humans is also alluded to in the Quran : and We sent down Iron, in which is (material for) mighty war, as well as many benefits for mankind (57:25). Ancient Greeks considered Halybes to be the inventors of iron.