About: http://webisa.webdatacommons.org/249378383

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	For example, proximal end 131 may be formed of a conductive metal such as copper or brass to ensure good mechanical and electrical coupling between post 12, 14 and post extension 130, 132, and distal portion 133 may be made of lead.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au