About: http://webisa.webdatacommons.org/361598482

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 canister (170) and therefore the PZT piezo ceramic cylinder (142) are preferably substantially filled with a fluid, such as a silicon oil or other fluid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com