About: http://webisa.webdatacommons.org/100882489

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 two screw shafts 17 are rendered rotatable by the drive unit 18 via a chain or other connecting mechanism.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com