About: http://webisa.webdatacommons.org/111127020

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	Typically their role is to constrain reciprocating movement to a straight line over a designated stroke length in various devices such as piston pumps, fuel pumps, solenoids and other actuators, linear motors and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com