About: http://webisa.webdatacommons.org/297222985

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The material is significantly hardened and strengthened by impurities, in particular carbon, from the smelting process.
http://www.w3.org/ns/prov#wasQuotedFrom	xingyimax.com