Assertion: racket's material | /r/HasProperty | graphite
Facets:
value: usually
type: DEGREE
Source sentences:
text: Composite rackets are made out of layers of different materials, usually graphite and fiberglass, and perhaps other layers containing boron, kevlar, or a material similar to fiberglass that contains ceramic particles.
text: Composite rackets are made out of layers of different materials, usually graphite and fiberglass, and perhaps other layers containing boron, kevlar, or a material similar to fiberglass that contains ceramic particles.