About: http://webisa.webdatacommons.org/170716572

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 angle between the shafts can be anything except zero or 180 degrees.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com