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Army specialist working in war room operating surveillance tech, evaluating target data, talking in voice call. Dispatcher keeping in touch with allied troops engaging enemy forces, camera A
Security surveillance camera in front of office building. CCTV, Closed-circuit television security.
Rear view of male and female security guards sitting in front of desktop computers with video camera on screens in surveillance room
Equipment for controlling access to building. Turnstile with laser barcode sensor. CCTV camera. Ensuring security of business center. Access control in public place. Surveillance equipment

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