The difference however between the two civilizations; was the Yorkshire Terrier Tree Christmas shirt Han coins for one, were either made out of Copper, or Bronze Alloy (Copper mixed with Tin). Roman coins on the other hand often varied between not just Copper, but Bronze, Silver and Gold alike. This suggests that Han production of Copper, whilst presently unknown at an official level, would most likely have outclassed their Roman counterparts by a significant margin.The Roman Empire at this point in time, had also just independently innovated the concept of “Cast Iron Tools”. Archaeological evidence however maintains, that this was done quite late in their history during the Imperial Era; sometime within the 4th-5th Centuries AD
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The Han meanwhile did not invent cast iron tools themselves, but had Yorkshire Terrier Tree Christmas shirt an entire 1,000 years before the Romans did, and therefore presumably outclassed the latter in cast iron based objects, with regards to not only quantity, but even quality as well.This is an understatement really, since Cast Iron production was actually perfected during the 426 year long reign of the Han Dynasty, through the use of specialist furnaces which converted Iron ore into “Pig Iron”, and from there into “Cast Iron”, greatly improving civil and military tools alike.