About: http://webisa.webdatacommons.org/388905919

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	A power source such as an electrical motor or a gasoline or diesel powered engine (not shown) may power the machines 12 as they move about the worksite 10 (referring to FIG. 1).
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com