About: http://webisa.webdatacommons.org/262083709

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	This venting system is a form of porting on a much higher level than just cutting a hole in a box and dropping in a port tube.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com