About: http://webisa.webdatacommons.org/153254379

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 axis is mounted on a frame and a means is available to make the implement spin, including for example a motor, a wind up spring, spinning in the wind, cogs, belts, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com