About: http://webisa.webdatacommons.org/3070100

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	If the fluid is a liquid, it serves a lubricating function between the moving armature and the stationary tube and plug nut, thereby minimizing wear between these relatively moving parts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com