About: http://webisa.webdatacommons.org/113285111

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 various pressure retaining and structural elements are formed from metals, such as steel, aluminum and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com