The Houses of iron tend to be affected from the presence of tiny amounts of carbon, with substantial improves in toughness associated with contents of under 0.five per cent. For the temperatures then attainable—about one,two hundred °C (2,200 °F)—reduction by charcoal manufactured an almost pure iron, which was soft and https://beaukymbp.ziblogs.com/28275244/mineral-processing-an-overview