About: http://webisa.webdatacommons.org/375491110

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 steel for most types of tools is heat-treated, generally hardened and tempered, to provide the properties needed for a particular application.
http://www.w3.org/ns/prov#wasQuotedFrom	thefabricator.com