About: http://webisa.webdatacommons.org/283533752

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	The control switches may each comprise a switch, lever, threaded control knob, or other suitable mechanism.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk