About: http://webisa.webdatacommons.org/87953831

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	Liners 47 are shown to be long U-shaped strips of a conductive metal, such as steel, which is harder than the lead alloy material of lead sheaths 39.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com