About: http://webisa.webdatacommons.org/269196781

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	In general, the enclosure may be provided with at least one vent, for example a hole, into said pressure balancing chamber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com