About: http://webisa.webdatacommons.org/376424061

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 ducts A to D are arranged for connection to gasflow generating means, for example a source of pressurized gas such as air, or a vacuum source.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com