About: http://webisa.webdatacommons.org/134876124

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 housing 14 should be made of a metallic material which is capable of withstanding the difference in pressure between enclosure 24 and the exterior of the housing, including such materials as aluminum, steel, or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com