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  2. Platform screen doors - Wikipedia

    en.wikipedia.org/wiki/Platform_screen_doors

    Platform screen doors at the Fuda Station, Tokyo, Japan, 2023. Platform screen doors (PSDs), also known as platform edge doors (PEDs), are used at some train, rapid transit and people mover stations to separate the platform from train tracks, as well as on some bus rapid transit, tram and light rail systems.

  3. Design-to-cost - Wikipedia

    en.wikipedia.org/wiki/Design-to-cost

    Design-to-Cost (DTC), as part of cost management techniques, describes a systematic approach to controlling the costs of product development and manufacturing.The basic idea is that costs are designed "into the product", even from the earliest concept decisions on and are difficult to remove later.

  4. Cheyenne Mountain Complex - Wikipedia

    en.wikipedia.org/wiki/Cheyenne_Mountain_Complex

    The total cost was $142.4 million. [18]: 20 [23] Its systems included a command-and-control system developed by Burroughs Corporation. The electronics and communications system centralized and automated the instantaneous (one-millionth of a second) evaluation of aerospace surveillance data. [24]

  5. Video door-phone - Wikipedia

    en.wikipedia.org/wiki/Video_door-phone

    A video door-phone (also known as a video door entry or video intercom) is a stand-alone intercom system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside. The main feature of video door entry is ...

  6. DOORS - Wikipedia

    en.wikipedia.org/wiki/Rational_DOORS

    IBM Engineering Requirements Management DOORS (Dynamic Object Oriented Requirements System) (formerly Telelogic DOORS, then Rational DOORS) is a requirements management tool. [4] It is a client–server application, with a Windows-only client and servers for Linux, Windows, and Solaris. There is also a web client, DOORS Web Access.

  7. Capital cost - Wikipedia

    en.wikipedia.org/wiki/Capital_cost

    Capital costs are fixed, one-time expenses incurred on the purchase of land, buildings, construction, and equipment used in the production of goods or in the rendering of services. In other words, it is the total cost needed to bring a project to a commercially operable status.

  8. Selective door operation - Wikipedia

    en.wikipedia.org/wiki/Selective_door_operation

    Selective door operation is implemented at certain railway stations in the United States. In the New York City Subway, the 6 + 1 ⁄ 2-car-long platforms at 145th Street (and formerly the 5-car-long loop platforms at South Ferry) are too short to accommodate full-length trains of ten 51.4-foot-long (15.7 m) cars, so only the first five cars of the train opened their doors at these stations.

  9. High-speed door - Wikipedia

    en.wikipedia.org/wiki/High-speed_door

    High-speed doors are door systems, mainly used in industrial applications. They are technical enhancements of the generally known sectional doors, PVC fabric doors or roller shutters . The main difference is that the durable construction provides a higher operating speed and they are able to sustain a higher number of cycles (opening and ...

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