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The truss roof of the 4th-century church Old St. Peter's Basilica, Rome. The triangular frame of beams of the main nave is largely self-supporting, as the forces are carried along the beams rather than acting vertically on them. The list of ancient roofs comprises roof constructions from Greek and Roman architecture, ordered by clear span.
Initially, iBooks was not pre-loaded onto iOS devices, but users could install it free of charge from the App Store. With the release of iOS 8, it became an integrated app. It primarily receives EPUB content from the Apple Books store, but users can also add their own EPUB and Portable Document Format (PDF) files via data synchronization with ...
Each curved imbrex (b) covers the joints formed between the side ridges of adjacent tegulae. Some imbrices are not shown in order to reveal the details of the tegular joints. The imbrex and tegula (pl.: imbrices and tegulae) were overlapping roof tiles used in ancient Greek and Roman architecture as a waterproof and durable roof covering.
Monitor roof: A roof with a monitor; 'a raised structure running part or all of the way along the ridge of a double-pitched roof, with its own roof running parallel with the main roof.' Butterfly roof (V-roof, [8] London roof [9]): A V-shaped roof resembling an open book. A kink separates the roof into two parts running towards each other at an ...
This is an incomplete list of notable applications (apps) that run on iOS where source code is available under a free software/open-source software license.Note however that much of this software is dual-licensed for non-free distribution via the iOS app store; for example, GPL licenses are not compatible with the app store.
Roofing material is the outermost layer on the roof of a building, sometimes self-supporting, but generally supported by an underlying structure. A building's roofing material provides shelter from the natural elements. The outer layer of a roof shows great variation dependent upon availability of material, and the nature of the supporting ...
The two parishes Särna and Idre were originally part of Norway but were occupied by an expedition of Swedish peasants from Älvdalen in 1644. The 1645 Treaty of Brömsebro was ambiguous regarding the status of the parishes, but when the exact path of the border was to be decided in 1751, Norway accepted a border west of Idre and Särna.
A more recent design is the installation of a roof deck with foil-backed foam along with a second deck that is air-gapped away from the foil-backed foam to allow air to flow vertically to a ventilation outlet at the peak of the roof—it is a double-deck design with an air gap. This design improves efficiency. [13]