About: http://webisa.webdatacommons.org/310502141

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 (i.e., about 90???) formed by the first and the second contacting surface 14 a and 14 b is an angular range of the pivotal movement of the footrest 8.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com