About: http://webisa.webdatacommons.org/118987199

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 stem is moved by some sort of actuator (typically a pilot, manual, mechanical or solenoid operator).
http://www.w3.org/ns/prov#wasQuotedFrom	lexairinc.com