Assertion: cerium | /r/ObjectUse | used in stainless steel
Facets:
value: as a precipitation hardening agent
type: PURPOSE
Source sentences:
text: Cerium is used in stainless steel as a precipitation-hardening agent.
text: It is used in stainless steels as a precipitation hardening agent.
text: Cerium is used in stainless steel as a precipitation hardening agent.
text: Cerium is used in stainless steel as a precipitation hardening agent.