About: http://webisa.webdatacommons.org/218764712

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 actuator may be a piezoelectric (PZT) element which expends in the direction of the plunger stem upon receiving electrical current; another option is that the actuator is an electromagnetic actuator.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com