About: http://webisa.webdatacommons.org/352187859

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	Housing 51 is constructed of a rigid. material, such as sheet metal, and comprises a rear member 55 and a front member 57 which is sized and shaped to be removably slid over rear member 55 to make fan pack 47 a unitary device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com