About: http://webisa.webdatacommons.org/173401243

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 collar frame and guide frame are connected by a joint, such as a ball joint or a pivot, that allows the collar and guide frames to rotate with respect to each other.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com