About: http://webisa.webdatacommons.org/370605677

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	Non-metals such as hydrogen and carbon can be used to extract metals from ores containing a compound of the metal.
http://www.w3.org/ns/prov#wasQuotedFrom	yenka.com