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2. Electric gate - Wikipedia

   en.wikipedia.org/wiki/Electric_gate

   Electric gates are recommended to be used in combination with other security features to install a full security system. A few of these features are closed circuits with security cameras , additional gates in conjunction with the main gate, electronic keycards and keypads, security guards .

3. Door security - Wikipedia

   en.wikipedia.org/wiki/Door_security

   The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home invasions. Door security is used in commercial and government buildings, as well as in residential settings.

4. Guardhouse - Wikipedia

   en.wikipedia.org/wiki/Guardhouse

   These guardhouses keep security guards comfortable as well as secure. [7] The first modern guardhouse was manufactured by Par-Kut International in 1954. In the 21st century, guardhouses have provided more options such as exterior floodlights, reflective bullet resistant glass, gun ports, elevated platforms, highly mobile trailer mounting, anti ...

5. Automatic Systems (company) - Wikipedia

   en.wikipedia.org/wiki/Automatic_Systems_(company)

   Turnstiles, swing gates and security doors are installed in the hall of office buildings, public and private administrations, industries, leisure and sports centers. Passenger access control. Automatic access control gates, ePassport gates and anti-reflow doors are mainly installed in Metro/Tram stations, [24] airports, railway, bus and ferry ...

6. Mantrap (access control) - Wikipedia

   en.wikipedia.org/wiki/Mantrap_(access_control)

   Entrance to HM Prison Edinburgh. A mantrap, security mantrap portal, airlock, sally port or access control vestibule is a physical security access control system comprising a small space with two sets of interlocking doors, such that the first set of doors must close before the second set opens.

7. Revolving door - Wikipedia

   en.wikipedia.org/wiki/Revolving_door

   Revolving doors can also be used as security devices to restrict entry to a single person at a time if the spacing between the doors is small enough. This is in contrast to a normal door which allows a second person to easily "tailgate" behind an authorized person. Extreme security can require a particular type of bullet-resistant glass.