About: http://webisa.webdatacommons.org/410092006

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 this example, hydraulic fluid (or another liquid, such as water) is indicated by a shaded volume in the fluid chamber.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com