Assertion: optical turnstile | /r/CapableOf | operate to regular mechanical turnstiles
Facets:
value: except for the fact
type: OTHER
value: similarly
type: MANNER
Source sentences:
text: Optical turnstiles operate similarly to regular mechanical turnstiles, except for the fact that they rely on infrared beams and audible/visual interfaces to control entry, as opposed to the physical restraint exhibited by mechanical turnstiles.