About: http://webisa.webdatacommons.org/210228756

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	Alternatively, partial ball and socket joint or other mechanical assemblies known by those of ordinary skill in the art may be used to facilitate the joystick motions 404 and 405 in the x-, y-, and z-directions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com