About: http://webisa.webdatacommons.org/18959643

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	After they are fired, however, they become metal such as Pure Silver, 22k Gold, Bronze and Copper.
http://www.w3.org/ns/prov#wasQuotedFrom	jdmis.edu.sg