About: http://webisa.webdatacommons.org/241722735

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	Some countries use a frequency other than 60Hz for their power grid; in those countries,
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net