About: http://webisa.webdatacommons.org/254751200

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	Naturally, as those skilled in the art would easily understand a variety of other rotating designs are also possible including such rotating elements as ball beatings and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com