Được đăng trong: Khác trong Kolkata | Posted: |
swing speedstile for pedestrians One person can only pass through a gate or barrier at a time, such as a Pedestrian Swing Speedstile. Its purpose is to control foot traffic and make sure people move through areas in a systematic way. These speedstiles frequently feature sensors or other systems that sense when someone is around and open the gate to let them past.
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