About: http://webisa.webdatacommons.org/56024964

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	Flapper valve plate 32 could be formed of other materials as well, such as Teflon or the like, and the entire assembly joined by staking rather than spot welds, which would avoid heat distortion effects.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com