About: http://webisa.webdatacommons.org/433675501

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	Preferably, an o-ring or other sealing device is used to assure an effective seal between coupler 70 and sleeve member 72.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com