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Shade sail over playground in Australia. A shade sail − or somewhat more precise a textile sunshade sail or a textile sun protection sail − is a device to create outdoor shade based on the textile basic technology that can be found in a ship's sail. [1] Shade sails use a flexible membrane tensioned between several anchor points. While ...
A shade sail is exactly what it sounds like, except instead of attaching to a boat’s mast, it attaches to a roof or other permanent structure. Unlike other shade options, shade sails can ...
Awnings were first used by the ancient Egyptian and Syrian civilizations. They are described as "woven mats" that shaded market stalls and homes. A Roman poet Lucretius, in 50 BC, said "Linen-awning, stretched, over mighty theatres, gives forth at times, a cracking roar, when much 'tis beaten about, betwixt the poles and cross-beams".
Code 1 is a light air reaching sail, where the apparent wind angles at low speeds has a significant effect to create angles of less than 90 degrees. Code 2 is a medium air running sail, used for apparent wind angles over 90 degrees. Code 3 is a medium air reaching sail, used for apparent wind angles near 90 degrees.
Sail components include the features that define a sail's shape and function, plus its constituent parts from which it is manufactured. A sail may be classified in a variety of ways, including by its orientation to the vessel (e.g. fore-and-aft ) and its shape, (e.g. (a)symmetrical , triangular , quadrilateral , etc.).
President-elect Donald Trump promised mass deportation on the campaign trail, and while the scale of it remains vague, the elements of the plan are an unlikely call back to former President Barack ...
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