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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 ...
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".
The British 'garden parasol' or American 'garden umbrella' is the term for a specialised type of umbrella designed to provide shade from the sun. Parasols are either secured in a weighted base or a built-in mount in the paving. Some are movable around outdoor tables and seating, others centred through a hole mid-table. [6]
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In 2003, chemical company BASF embedded nanoparticles of titanium dioxide into a nylon fabric, which can be used for sun protective clothing that maintains its UV protection when wet. [4] There is some indication that washing fabrics in detergents containing fabric brighteners, which absorb UV radiation, might increase their protective capability.
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