About: http://webisa.webdatacommons.org/230407287

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	While cylindrical bearing surfaces have been selected in the illustrated embodiment, use of other forms of bearing surfaces (e.g., rectangular or triangular) are contemplated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk