Assertion: iridium | /r/ObjectUse | used as hardening agent
Facets:
value: in platinum alloys
type: OTHER
value: for making tools
type: PURPOSE
value: for platinum
type: TRANSITIVE-OBJECT
Source sentences:
text: Iridium is also used as a hardening agent in platinum alloys.
text: Iridium is used as a hardening agent for platinum and for making tools that are exposed to high temperatures, like crucibles.
text: Iridium is also used as a hardening agent in Platinum alloys.