Assertion: boron's use | /r/AtLocation | polymer
Facets:
value: in high-strength
type: OTHER
value: in lightweight structural and refractory materials
type: OTHER
Source sentences:
text: The next leading use is in polymers and ceramics in high-strength, lightweight structural and refractory materials.
text: The next leading use is in polymers and ceramics in high-strength, lightweight structural and refractory materials.