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Entry points may be doors, turnstiles, parking gates or other barriers. Access badges use various technologies to identify the holder of the badge to an access control system. The most common technologies are magnetic stripe, proximity, barcode, smart cards and various biometric devices. The magnetic stripe ID card was invented by Forrest Parry ...
Remote controls send a digital code word to the receiver. If the receiver determines the codeword is acceptable, then the receiver will actuate the relay, unlock the door, or open the barrier. Simple remote control systems use a fixed code word; the code word that opens the gate today will also open the gate tomorrow.
Unturned was developed by Nelson Sexton, an indie game developer from Calgary, Canada. He was only sixteen years old at the time of Unturned 's first release. Sexton started his career with Roblox, creating two of the most-popular games on the platform at that time, Battlefield and Deadzone. [4] Deadzone was a zombie-survival game similar to ...
Sectional garage door Up-and-over garage door Garage Door Hardware. A garage door is a large door to allow egress for a garage that opens either manually or by an electric motor (a garage door opener). Garage doors are frequently large enough to accommodate automobiles and other vehicles. The operating mechanism is usually spring-loaded or ...
The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. [1] Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World War II where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.
Examples might be found on the ceremonial door of a cathedral or in a large vehicle door in a garage or hangar. A bifold door is a unit that has several sections, folding in pairs. Wood is the most common material, and doors may also be metal or glass. Bifolds are most commonly made for closets, but may also be used as units between rooms. Bi ...
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 ...
The interiors were designed with an eye toward the modern age, space-saving, and ease of cleaning. All Lustrons had metal-paneled interior walls that were most often gray. To maximize space, all interior rooms and closets featured pocket doors. All models featured metal cabinetry, a service and storage area, and metal ceiling tiles.