About: http://webisa.webdatacommons.org/33918448

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	controls the commutating element, such as a triac, the duration of the on-state of which causes the actual speed of the motor 1 to vary.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com