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2. Anti-slip grating - Wikipedia

   en.wikipedia.org/wiki/Anti-slip_grating

   Anti-slip steel grating is a type of bar grating. Steel bar grating is manufactured in a variety of methods. Welded bar grating consists of load bars electrically fuse welded to cross bars. Pressure-locked bar grating, or swaged grating, is where steel rods are forced through and locked in load bars. Riveted bar grating is where the load bars ...

3. Grating - Wikipedia

   en.wikipedia.org/wiki/Grating

   The period of the grating is the inverse of the spatial frequency, measured in distance (e.g. 0.1 mm). Duty Cycle is the relative thickness of high and low lines. The duty cycle is the ratio of the width of the low line (black or opaque) to one whole grating period.

4. High contrast grating - Wikipedia

   en.wikipedia.org/wiki/High_contrast_grating

   The concept of high contrast grating took off with a report on a broadband high reflectivity reflector for surface-normal incident light (the ratio between the wavelength bandwidth with a reflectivity larger than 0.99 and the central wavelength is greater than 30%) in 2004 by Constance J. Chang-Hasnain et al., [1] [2] which was demonstrated experimentally in the same year. [3]

5. Today’s NYT ‘Strands’ Hints, Spangram and Answers for ...

   www.aol.com/today-nyt-strands-hints-spangram...

   According to the New York Times, here's exactly how to play Strands: Find theme words to fill the board. Theme words stay highlighted in blue when found.

6. What we know about the victims of the New Orleans attack: 'So ...

   www.aol.com/know-victims-orleans-attack...

   A young mother teaching her son to read. A former college football player "on top of the world" living in New York City. An 18-year-old aspiring nurse. A father of two remembered as the "life of ...

7. Semi-finished casting products - Wikipedia

   en.wikipedia.org/wiki/Semi-finished_casting_products

   In the era of commercial wrought iron, blooms were slag-riddled iron castings poured in a bloomery before being worked into wrought iron. In the era of commercial steel, blooms are intermediate-stage pieces of steel produced by a first pass of rolling (in a blooming mill) that works the ingots down to a smaller cross-sectional area, but still greater than 36 in 2 (230 cm 2). [1]