Assertion: cerium | /r/HasAspect | a variety of uses
Facets:
Source sentences:
text: Today, cerium and its compounds have a variety of uses: for example, cerium(IV) oxide is used to polish glass and is an important part of catalytic converters.
text: Today, cerium and its compounds have a variety of uses: for example, cerium(IV) oxide is used to polish glass and is an important part of catalytic convertors.