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  2. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  3. Montgomery Elevator - Wikipedia

    en.wikipedia.org/wiki/Montgomery_Elevator

    Montgomery was the 4th-largest elevator company in the U.S. at the time. After Montgomery was acquired, they worked with KONE to make elevators and escalators under the brand name Montgomery KONE, but only for 6 years until the full integration into KONE US in 2000.

  4. Model-based design - Wikipedia

    en.wikipedia.org/wiki/Model-based_design

    In model-based design of control systems, development is manifested in these four steps: modeling a plant, analyzing and synthesizing a controller for the plant, simulating the plant and controller, integrating all these phases by deploying the controller. The model-based design is significantly different from traditional design methodology.

  5. Disconnector - Wikipedia

    en.wikipedia.org/wiki/Disconnector

    In electrical engineering, a disconnector, disconnect switch or isolator switch is a type of switching device with visible contacts, used to ensure that an electrical circuit is completely de-energized for service or maintenance.

  6. Centrifugal switch - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_switch

    In aircraft, a centrifugal switch is used to control the starting and ignition circuits, the governed speed indication circuit and the overspeed protection circuit of the auxiliary power unit. This switch is mounted inside a rotating body. This can be set to activate or deactivate a circuit as the rpm of device increases or decreases.

  7. Digital test controller - Wikipedia

    en.wikipedia.org/wiki/Digital_test_controller

    A modern digital test controller. Digital test controllers are devices (usually computer based) that provide motion control [1] by processing digital signals. Typically a controller has inputs connected to sensors on the device they control, which measure the feedback, its current state (for example the current position), and process this signal to provide an output to a hydraulical ...

  8. Otis Worldwide - Wikipedia

    en.wikipedia.org/wiki/Otis_Worldwide

    After a demonstration at the 1853 New York World's Fair, the elevator industry established credibility. [6] Otis elevator in Glasgow, Scotland, imported from the U.S. in 1856 for Gardner's Warehouse, the oldest cast-iron fronted building in the British Isles [7] Otis founded the Otis Elevator Company in Yonkers, New York, in 1853. When he died ...

  9. Guide rail - Wikipedia

    en.wikipedia.org/wiki/Guide_rail

    A guide rail is a device or mechanism to direct products, vehicles or other objects through a channel, conveyor, roadway or rail system.. Several types of guide rails exist and may be associated with: