About: http://webisa.webdatacommons.org/299998138

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	Alternatively, a metal material such as stainless steel, aluminum, copper and iron or a polymer as mentioned above is formed into a pipe, bellows or spiral wire, into which the cladding fitted on the core is inserted.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk