About: http://webisa.webdatacommons.org/196480929

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	In some cases, one or more of the motors may be replaced by manual positioning devices or gears or by other means of generating motion such as hydraulics or piezoelectrics.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com