About: http://webisa.webdatacommons.org/425105488

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	Preferably, the rotating portion is a belt that travels over a first and a second shaft, and one of these shafts is preferably driven by the motive power source, such as an electric motor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com