About: http://webisa.webdatacommons.org/228099571

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 addition, an electrical signal is provided by a switch or other sensor to circuitry 39, the circuitry of control unit 14, and the circuitry of sensor 32 to indicate that the CPR knob 40 has been moved to the opened position.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com