About: http://webisa.webdatacommons.org/285450181

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	Vacuum apertures 68 may be of any suitable shape such as a rectangular, round, oval, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com