1. Designated areas that are restricted and controlled to prevent unauthorized access or ensure safety and protection
The airport has multiple security zones where only authorized personnel are allowed.
O aeroporto tem várias zonas de segurança onde apenas pessoal autorizado é permitido.
2. Areas established by military or government authorities for defensive or protective purposes
The border security zones were heavily patrolled during the conflict.
As zonas de segurança na fronteira foram intensamente patrulhadas durante o conflito.
3. Restricted areas within facilities such as government buildings, military installations, or critical infrastructure
Access to the security zones requires proper identification and clearance.
O acesso às zonas de segurança requer identificação e autorização adequadas.