About: http://webisa.webdatacommons.org/401464283

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 ring can be moved back and forth by any mechanical means such as hydraulic, rack and pinion or lever arm means.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es