Assertion: optical mouse | /r/HasAspect | moving parts
Facets:
value: besides scroll wheels
type: OTHER
value: unlike mechanical mice
type: OTHER
value: besides buttons
type: OTHER
Source sentences:
text: Unlike mechanical mice, whose tracking mechanisms can become clogged with lint, optical mice have no moving parts (besides buttons and scroll wheels); therefore, they do not require maintenance other than removing debris that might collect under the light emitter.