About: http://webisa.webdatacommons.org/314042265

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 the preferred embodiment, this actuator is a pneumatic actuator, specifically in the form of an air cylinder having a reciprocating piston, but other actuators may be used as well.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com