About: http://webisa.webdatacommons.org/61038508

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	Shafts have been cast iron, bronze, mild steel and other varying types of steel leading to duplex stainless.
http://www.w3.org/ns/prov#wasQuotedFrom	narrowboatworld.com