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2. Shade sail - Wikipedia

   en.wikipedia.org/wiki/Shade_sail

   Successful shade sail design uses the inherent "stretch" of the knitted fabric to create three-dimensional shapes. Fabrics other than shade cloth are used to make shade sails such as PVC, a more expensive alternative, or canvas variations. The low cost of shade cloth and its ability to breathe makes it a prime choice for "cool shade". [citation ...

3. Sun protective clothing - Wikipedia

   en.wikipedia.org/wiki/Sun_protective_clothing

   UPF (ultraviolet protection factor) represents the ratio of sunburn-causing UV without and with the protection of the fabric, similar to SPF (sun protection factor) ratings for sunscreen. While standard summer fabrics have UPF ~6, sun protective clothing typically has UPF ~30, which means that only 1 out of ~30 units of UV will pass through (~3%).

4. Window covering - Wikipedia

   en.wikipedia.org/wiki/Window_covering

   The color, as well as aperture size, known as Openness Factor, or OF, are two variables of fabric shades that can change view clarity perception. Darker fabric shades with larger openness factors generally achieve higher view clarity. [5] The impact of window coverings on view quality is of interest for designers, manufacturers, and researchers.

5. Awning - Wikipedia

   en.wikipedia.org/wiki/Awning

   Shade screens utilize acrylic canvas or a mesh fabric, which allows some view-through while blocking the sun's rays. The roller at the top may be hand-cranked or motorized. [5] The fabric is gravity-fed, with a weighted bottom rail pulling the fabric down between guide rails [broken anchor] or guy wires.

6. Olefin fiber - Wikipedia

   en.wikipedia.org/wiki/Olefin_fiber

   Olefin fiber is a synthetic fiber made from a polyolefin, such as polypropylene or polyethylene.It is used in wallpaper, carpeting, [1] ropes, and vehicle interiors. Olefin's advantages are its strength, colorfastness and comfort, its resistance to staining, mildew, abrasion, and sunlight, and its good bulk and cover.

7. NASA spacecraft 'safe' after closest-ever approach to Sun - AOL

   www.aol.com/news/nasa-spacecraft-safe-closest...

   The spacecraft passed 3.8 million miles (6.1 million km) from the solar surface on Dec. 24, flying into the sun's outer atmosphere called the corona, on a mission to help scientists learn more ...