About: http://webisa.webdatacommons.org/85682038

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 inner tube 450 is preferably made of a rigid material such as stainless steel with an outer insulative sleeve which is electrically insulated with a material such as polyvinyl chloride, polyethylene nylon or other plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com