About: http://webisa.webdatacommons.org/226023285

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 valve core may be one integral unit made of a resilient material, such as natural or synthetic rubber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com