Assertion: valve trombone | /r/CapableOf | use valve
Facets:
value: in combination
type: MANNER
value: of the slide
type: LOCATION
Source sentences:
text: The valve trombone uses valves to chnages the course of the air producing the sound wave to lengthen it or shorten it.
text: Valve trombones use three valves (singly or in combination) instead of the slide.