About: http://webisa.webdatacommons.org/110761205

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 sealing elements are particularly useful when molded to forms that are compatible with mating parts of a rotary piston and its trochoid housing, as in the Wankel type rotary engine. 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com