Assertion: sprocket's teeth | /r/HasProperty | same material
Facets:
value: as the sprocket
type: OTHER
value: usually
type: TEMPORAL
Source sentences:
text: Teeth are usually of the same material as the sprocket, though teeth with plastic inserts exist as a cost-efficient option.
text: Teeth are usually of the same material as the sprocket, though teeth with plastic inserts exist as a cost-efficient option.