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  2. Pella (company) - Wikipedia

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

    In 2001, Pella introduced Pella Design Centers to mainstream market customers, as a “store-within-a-store inside Lowe's stores and staffed by Lowe's employees. [7] In 2000, Fortune Magazine recognized Pella as one of the 100 Best Companies To Work For and Pella was awarded for six consecutive years.

  3. Sliding glass door - Wikipedia

    en.wikipedia.org/wiki/Sliding_glass_door

    Another sliding doors design, glass pocket doors has all the glass panels sliding completely into open-wall pockets, totally disappearing for a wall-less 'wide open' indoor-outdoor room experience. This can include corner window walls, for even more blurring of the inside-outside open space distinction.

  4. Sliding door operator - Wikipedia

    en.wikipedia.org/wiki/Sliding_door_operator

    A door operator may be triggered in various ways: Approach Sensor (such as a radar sensor) - the door opens when a user approaches it. Pushbutton - the door opens when a user presses a button. Access control - the door opens when an access control system determines the user is authorized to go through. Automatically (in the case of elevators).

  5. Moving magnet and conductor problem - Wikipedia

    en.wikipedia.org/wiki/Moving_magnet_and...

    See Figure 1. To simplify, let the magnetic field point in the z-direction and vary with location x, and let the conductor translate in the positive x-direction with velocity v. Consequently, in the magnet frame where the conductor is moving, the Lorentz force points in the negative y-direction, perpendicular to both the velocity, and the B-field.

  6. Magnetic levitation - Wikipedia

    en.wikipedia.org/wiki/Magnetic_levitation

    Permanent magnets do not require an external power source, making them highly energy-efficient and ideal for applications such as magnetic levitation. Their relative magnetic permeability is very close to unity, which means they do not significantly distort externally generated magnetic fields. The magnetic field at a given point is the ...

  7. Magnetic keyed lock - Wikipedia

    en.wikipedia.org/wiki/Magnetic_keyed_lock

    A magnetic keyed padlock A magnetic keyed padlock. A magnetic keyed lock or magnetic-coded lock is a locking mechanism whereby the key utilizes magnets as part of the locking and unlocking mechanism. Magnetic-coded locks encompass knob locks, cylinder locks, lever locks, and deadbolt locks as well as applications in other security devices.

  8. Magnet - Wikipedia

    en.wikipedia.org/wiki/Magnet

    A magnet's magnetic moment (also called magnetic dipole moment and usually denoted μ) is a vector that characterizes the magnet's overall magnetic properties. For a bar magnet, the direction of the magnetic moment points from the magnet's south pole to its north pole, [ 15 ] and the magnitude relates to how strong and how far apart these poles ...

  9. Window blind - Wikipedia

    en.wikipedia.org/wiki/Window_blind

    Various window blind styles. A window blind is a type of window covering. [1] There are many different kinds of window blinds which use a variety of control systems. A typical window blind is made up of several long horizontal or vertical slats of various types of hard material, including wood, plastic or metal which are held together by cords that run through the blind slats.