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A computer screen showing a background wallpaper photo of the Palace of Versailles. A wallpaper or background (also known as a desktop background, desktop picture or desktop image on computers) is a digital image (photo, drawing etc.) used as a decorative background of a graphical user interface on the screen of a computer, smartphone or other electronic device.
The first glass staircase received a design patent in 2002 from the U.S. Patent and Trademark Office with Jobs' name first, followed by several others, while the staircase design itself received a design patent, and the complex glass and hardware system received a separate technical patent.
A staircase or stairway is one or more flights of stairs leading from one floor to another, and includes landings, newel posts, handrails, balustrades, and additional parts. [4] In buildings, stairs is a term applied to a complete flight of steps between two floors. A stair flight is a run of stairs or steps
Good lighting is important in a staircase so users see where they are going and to prevent falls. [6] There is often a window on the wall to let in daylight.In many cases, indoor stairs are placed far inside the building structure, and it is often not easy to get access to a wall on the outside where it would be natural to have a regular window for letting daylight in.
The combination stair is a T-shaped compromise design popular in the nineteenth century that was found in some moderate-sized houses. [1] In this design, both the formal front stair and the utilitarian back stair ran to a common intermediate landing. [2] One common stair then extended from this intermediate landing to the second floor of the house.
McKim's Grand Staircase adopted the Imperial stair form: a central run beginning on the south and rising to a landing on the north, with double runs doubling back to the south as it rises to the second floor. Formal in plan, its relatively narrow opening into the Cross Hall limited visibility of the President, First Lady and their official guests.
A 3D floor plan, or 3D floorplan, is a virtual model of a building floor plan, depicted from a birds eye view, utilized within the building industry to better convey architectural plans. Usually built to scale, a 3D floor plan must include walls and a floor and typically includes exterior wall fenestrations , windows, and doorways.
Similarly, the root word "scala" does not mean "a flight of steps", but is the singular form of the plural noun "scalae", which can denote any of: "a flight of steps or stairs, a staircase; a ladder, [or] a scaling-ladder." [21] The alleged intended capitalization of "escalator" is likewise a topic of debate. Seeberger's trademark application ...