About: http://webisa.webdatacommons.org/192973741

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	The tube 1 is made of a conductive metal such as stainless steel, and its external surface is substantially coated with an insulating material such as an insulating polymer sheath.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca