About: http://webisa.webdatacommons.org/273325793

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 operation panel 270 includes an input device, such as a joystick or a trackball, for setting or changing conditions of the transmission and reception of the ultrasonic beam in addition to a switch, various buttons, a keyboard, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com