About: http://webisa.webdatacommons.org/193184451

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 markers can be added by vapor-honing, polishing, laser etching, or other appropriate methods.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au