Assertion: bass clarinet's key | /r/HasAspect | considerable influence
Facets:
value: on the flow of air
type: TRANSITIVE-OBJECT
Source sentences:
text: But, however, the key has considerable influence on the flow of air even when it is fully open - that is easily shown: Do open a ring key by moving your fingertip up for a couple of millimeters and swing the finger up and down.