About: http://webisa.webdatacommons.org/244974909

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	Machines 57 are driven by natural elements or natural phenomena such as wind, ocean waves, tidal power, ocean currents, or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com