Assertion: gear | /r/CapableOf | drive the worm
Facets:
value: in traditional music boxes
type: LOCATION
Source sentences:
text: In traditional music boxes, however, the gear drives the worm, which has a large helix angle.
text: If a multistart worm (multiple spirals) is used then the ratio reduces accordingly and the braking effect of a worm and worm-gear may need to be discounted, as the gear may be able to drive the worm.