About: http://webisa.webdatacommons.org/233010218

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 tube 60 in these and other embodiments is preferably made of metal such as gold, copper, beryllium copper, or stainless steel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com