Assertion: trombone's slide mechanism | /r/CapableOf | vary the length of the instrument
Facets:
value: to change the pitch
type: PURPOSE
Source sentences:
text: Unlike most other brass instruments, which have valves that, when pressed, alter the pitch of the instrument, trombones instead have a telescoping slide mechanism that varies the length of the instrument to change the pitch.
text: Nearly all trombones have a telescoping slide mechanism that varies the length of the instrument to change the pitch.
text: Nearly all trombones have a telescoping slide mechanism that varies the length of the instrument to change the pitch.
text: Nearly all trombones have a telescoping slide mechanism that varies the length of the instrument to change the pitch.
text: Nearly all trombones have a telescoping slide mechanism that varies the length of the instrument to change the pitch.