About: http://webisa.webdatacommons.org/257025761

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	A number of membrane switches and key pads can be used if it is desired to operate a number of mechanisms or a number of functions of the same mechanism, such as a radio.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com