About: http://webisa.webdatacommons.org/154875823

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	Thus, a light pressure applied by the patient, e.g. by placing a hand or arm on the switch 660, closes a circuit which actuates the call bell at the nurse'station.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es