Assertion: headphone | /r/CapableOf | use castings of the ear canal
Facets:
value: to create custom-molded plugs
type: PURPOSE
Source sentences:
text: Custom in-ear headphones use castings of the ear canal to create custom-molded plugs that provide added comfort and noise isolation.
text: Custom in-ear headphones use castings of the ear canal to create custom-molded plugs that provide added comfort and noise isolation.