About: http://webisa.webdatacommons.org/218957306

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 drive mechanism may be constructed of mechanical components such as gears, cams, levers, belt and pulleys or chains.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr