About: http://webisa.webdatacommons.org/5761661

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	Any means, such as contact switches, etc., which may be used to effect electrical contact and cause input of the appropriate signal representing a given key may be employed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com