About: http://webisa.webdatacommons.org/138690314

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 first and the second shaft can be connected to a different power source or other power means whereby each shaft can be rotated at a different speed or for a different period of time.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com