Assertion: trombone's bore | /r/CapableOf | play fundamental
Facets:
value: with accuracy
type: MANNER
value: with relative ease
type: MANNER
Source sentences:
text: Brass instruments with sufficient bore to play fundamentals with relative ease and accuracy are called "whole-tube" instruments, while instruments that are limited to the second harmonic as a lowest note in practical use are called "half-tube" instruments.