About: http://webisa.webdatacommons.org/284876492

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	It???s protected by its own naturally occurring oxide film, a protection that can be further enhanced by anodizing or other finishing techniques.
http://www.w3.org/ns/prov#wasQuotedFrom	efunda.com