About: http://webisa.webdatacommons.org/21052144

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 kinematic ball mount includes at least three mounting spheres and the groove is an angular locating groove including at least two locking spheres.
http://www.w3.org/ns/prov#wasQuotedFrom	osti.gov