About: http://webisa.webdatacommons.org/37432375

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	Induction hardening has been used for some years to harden the surface and improve the strength and service life of gears and other components.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov