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2. Plastic optical fiber - Wikipedia

   en.wikipedia.org/wiki/Plastic_optical_fiber

   Traditionally, PMMA (acrylic) comprises the core (96% of the cross section in a fiber 1mm in diameter), and fluorinated polymers are the cladding material. Since the late 1990s much higher performance graded-index (GI-POF) fiber based on amorphous fluoropolymer (poly(perfluoro-butenylvinyl ether), CYTOP [1]) has begun to appear in the marketplace.

3. List of soft contact lens materials - Wikipedia

   en.wikipedia.org/wiki/List_of_soft_contact_lens...

   The first contact lenses were made of glass, in 1888. Initially the glass was blown but soon lenses were made by being ground to shape. For the first fifty years, glass was the only material used. The lenses were thin, yet reports of injury were rare. In 1938 perspex (polymethylmethacrylate, or PMMA) began to replace glass in contact lens ...

4. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   Perspex has been used as a surface to paint on, for example by Salvador Dalí. Diasec is a process which uses acrylic glass as a substitute for normal glass in picture frames. This is done for its relatively low cost, light weight, shatter-resistance, aesthetics and because it can be ordered in larger sizes than standard picture framing glass.

5. Today's Wordle Hint, Answer for #1242 on Tuesday, November 12 ...

   www.aol.com/lifestyle/todays-wordle-hint-answer...

   Today's Wordle Answer for #1242 on Tuesday, November 12, 2024. Today's Wordle answer on Tuesday, November 12, 2024, is FLOWN. How'd you do? Next: Catch up on other Wordle answers from this week.

6. Mesh (scale) - Wikipedia

   en.wikipedia.org/wiki/Mesh_(scale)

   Mesh is a measurement of particle size often used in determining the particle-size distribution of a granular material. For example, a sample from a truckload of peanuts may be placed atop a mesh with 5 mm openings. When the mesh is shaken, small broken pieces and dust pass through the mesh while whole peanuts are retained on the mesh.

7. The 7 ALDI Finds I'm Eyeing This December - AOL

   www.aol.com/7-aldi-finds-im-eyeing-125003093.html

   If you've been shopping for a new rug lately, you know that a washable rug of this size for under $100 is a great deal. It'll be available in four different patterns. Available 12/18 for $79.99