Assertion: beetle's forewing | /r/CapableOf | serve as protective shield
Facets:
value: for a second pair of wings
type: PURPOSE
value: for the fragile flying wings
type: TRANSITIVE-OBJECT
Source sentences:
text: These hard forewings serve as a protective shield for the fragile flying wings, which are folded underneath.
text: These insects are characterized by a pair of special hardened forewings that serve as a protective covering for a second pair of wings used for flying.