About: http://webisa.webdatacommons.org/76258409

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	A number of materials can be used to form the outer shell and inner tube such as plastic or metal, but steel is preferred.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk