About: http://webisa.webdatacommons.org/309942018

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 following is a description of how two-wire reversing polarity coil energization ???switches??? the magnetic flux from one pole of the armature 28 to the other to actuate the multi-force actuator valve 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com