About: http://webisa.webdatacommons.org/181019348

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	Thus, the current collector cores may be simple vertical bars of steel, of round or rectangular cross section although plates of steel or other metals may also be envisaged.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com