About: http://webisa.webdatacommons.org/67997482

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 joystick 36 and the pivot ball 28 are preferably made of a suitably strong, relatively lightweight material such as aluminum, steel, or other metal alloy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com