About: http://webisa.webdatacommons.org/239321173

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	In a case of connecting different kinds of transmission lines, since the frequency in operation is high, it is important to ensure the earth-connection between the connected lines.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com