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Split-level home. The stairway in a split level dormitory. Note that the entry on the higher floor is not at the ceiling level of the lower entry, but approximately half its height. A split-level home (sometimes called a tri-level home) is a style of house in which the floor levels are staggered. There are typically two short sets of stairs ...
The sites included Naval Air Station Bermuda, Lajes Air Base in Terceira island, Azores, Portugal, Zaragoza Air Base in Spain, Morón Air Base in Spain, and Istres Air Base in France. [11] All sites have runways of sufficient length to support the landing of a Space Shuttle, and included personnel from NASA as well as equipment to aid a space ...
The Grand Staircase is the chief stairway connecting the State Floor and the Second Floor of the White House, the official home of the president of the United States. The stairway is primarily used for a ceremony called the Presidential Entrance March. The present Grand Staircase, the fourth staircase occupying the same general space, was ...
Other forms include stairs with winders that curve or bend at an acute angle, three flights of stairs that join at a landing to form a T-shape, and stairs with balconies and complex designs. A "mono string" staircase is a term used for a staircase with treads arranged along a single steel beam.
Landing platforms are the two platforms (at the two ends) that house the curved sections of the tracks, as well as the gears and motors that drive the stairs. The top platform usually contains the motor assembly and the main drive gear, while the bottom holds the return gear. These sections also anchor the ends of the escalator truss.
An airstair is a set of steps built into an aircraft so that passengers may board and alight the aircraft. The stairs are often built into a clamshell-style door on the aircraft. Airstairs eliminate the need for passengers to use a mobile stairway or jetway to board or exit the aircraft, providing more independence from ground services.
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DC-XA landing in 1996. A Falcon 9 first stage performing a vertical landing, 2016. Vertical takeoff, vertical landing ( VTVL) is a form of takeoff and landing for rockets. Multiple VTVL craft have flown. The most successful VTVL vehicle was the Apollo Lunar Module which delivered the first humans to the Moon.