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The purposes of the fabric covering of an aircraft are: To provide a light airproof skin for lifting and control surfaces. To provide structural strength to otherwise weak structures. To cover other non-lifting parts of an aircraft to reduce drag, sometimes forming a fairing. To protect the structure from the elements.
Waterskin. A leather waterskin from the Judean desert, dating back to 132–135 CE. A waterskin is a receptacle used to hold water. Normally made of a sheep or goat skin, it retains water naturally and therefore was very useful in desert crossings until the invention of the canteen, though waterskins are still used in some parts of the world.
Wikipedia, as a website powered by MediaWiki (a wiki software), is a skinnable website, which means the presentation (look and feel) of the pages can be changed.As of January 2024 there are five available skins: Vector 2022 (default on desktop from 2022), Vector 2010 (default on desktop from 2010 to 2021), Minerva Neue (mobile), MonoBook, (default from 2004 to 2009) and Timeless.
Incidents of wing tips separating mid-flight were reported. Northrop resolved this via the installation of new wings with thickened skins. Throughout the development process, a strict weight control regime was exercised by the design team.
Composite sandwich structure panel used for testing at NASA. In materials science, a sandwich-structured composite is a special class of composite materials that is fabricated by attaching two thin-but-stiff skins to a lightweight-but-thick core. The core material is normally of low strength, but its greater thickness provides the sandwich ...
Ski skins. Climbing skins are strips that attach to the bottom of Nordic, alpine touring or randonnée skis to help while ascending backcountry slopes. They are designed to be removed for skiing downhill. They are typically attached to the skis via a loop on the ski tip, a hook on the tail, and adhesive on the base of the skin.
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Isogrid structures are constituted by a thin skin reinforced with a lattice structure. Such structures are adopted in the aeronautical industry since they present both structural resistance and lightness. The triangular pattern is very efficient because it retains rigidity while saving material and therefore weight.