About: http://webisa.webdatacommons.org/176213865

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	Polyurethane is a preferred material for forming the lead body of leads 16 and 18, although other materials such as silicone may be employed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com