About: http://webisa.webdatacommons.org/27328674

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	Nickel actually requires extensive processing at high temperatures because it must be separated from iron, copper, and other trace metals from the ore.
http://www.w3.org/ns/prov#wasQuotedFrom	enotes.com