About: http://webisa.webdatacommons.org/252127879

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	These metal rails 7, 8 are formed of a metal with good electrical conductivity such as copper.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com