Assertion: sprocket's teeth | /r/HasProperty | become worn
Facets:
value: unevenly
type: MANNER
value: in extreme cases
type: TEMPORAL
Source sentences:
text: As the teeth on a driven sprocket become worn, such as the rear sprocket on a bicycle, they will continue to wear down until the teeth are mere bumps on the sprocket if unchanged.
text: In this case, the 'skipping' mentioned above is liable to continue even after the chain is replaced, as the teeth of the sprockets will have become unevenly worn (in extreme cases, hook-shaped).