About: http://webisa.webdatacommons.org/8528536

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 movably mounted holding element may be a rolling element, in particular a ball or a rolling-element cage, in particular a ball cage.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com