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A metal doorframe with a strike plate built in: in other doors this would be a metal strikeplate in a wooden doorframe. 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 roller shutters in a dead mall. A roller shutter, security shutter, coiling door, roller door or sectional overhead door is a specialized type of door or window shutter consisting of multiple horizontal slats, bars, or web systems interconnected through hinges. The mechanism involves lifting the door to open it and lowering it to close.
A sliding glass door, sometimes called an Arcadia door or patio door, is a door made of glass that slides open and sometimes has a screen (a removable metal mesh that covers the door). Australian doors are a pair of plywood swinging doors often found in Australian public houses.
Storm door, Japan. A storm door is a type of door that is installed in front of an exterior access door to protect it from bad weather and allow ventilation.Storm doors generally have interchangeable glass panels and window screen panels to provide visibility and prevent flying insects from entering the home.
In a manual mantrap, a guard locks and unlocks each door in sequence. An intercom and/or video camera are often used to allow the guard to control the trap from a remote location. In an automatic mantrap, identification may be required for each door, sometimes even different measures for each door.
Hiraki shoji are mounted on hinges in a doorframe, and open like a standard western door. Some are single doors, some double doors. [89] Double doors, whether bifold doors or not, are termed ryōbiraki shoji (両開障子). [90] Tsukuritsuke shoji (造付障子, "fixed shoji"), are often horizontal strips. [6]