About: http://webisa.webdatacommons.org/149510412

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	Hardened steel is the most durable material pretty much indestructible under normal conditions.
http://www.w3.org/ns/prov#wasQuotedFrom	stampritemachine.com