About: http://webisa.webdatacommons.org/179038939

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 DC power supply 106 may be a standard source of alternating current such as of 50 or 60 Hz which is converted to DC at appropriate voltage levels, or can comprise one or more batteries to provide the necessary direct voltages.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com