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2. Marston Mat - Wikipedia

   en.wikipedia.org/wiki/Marston_mat

   RAF aircrew with one of their Bristol Beaufighters on a PSP airstrip at Biferno, Italy, August 1944. Marston Mat, more properly called pierced (or perforated) steel planking (PSP), is standardized, perforated steel matting material developed by the United States at the Waterways Experiment Station shortly before World War II, primarily for the rapid construction of temporary runways and ...

3. Grating - Wikipedia

   en.wikipedia.org/wiki/Grating

   The grating profile is the function of the reflectance or transmittance perpendicular to the lines. This function is generally a square wave, in that every transition between lines is abrupt. A grating can be defined by six parameters: Spatial frequency is the number of cycles occupying a particular distance (e.g. 10 line pairs per millimeter ...

4. 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 ...

5. Fiberglass reinforced plastic grating - Wikipedia

   en.wikipedia.org/wiki/Fiberglass_reinforced...

   Fiberglass grating is often used when there are safety concerns due to liquids or oils on the floor and more corrosive environments needing chemical resistance. Many applications can benefit from fiberglass grating, such as: walkways, platforms, protective shielding, machinery housings, raised floors and stairways.

6. Construction aggregate - Wikipedia

   en.wikipedia.org/wiki/Construction_aggregate

   In Europe, sizing ranges are specified as d/D, where the d shows the smallest and D shows the largest square mesh grating that the particles can pass. Application-specific preferred sizings are covered in European Standard EN 13043 for road construction, EN 13383 for larger armour stone, EN 12620 for concrete aggregate, EN 13242 for base layers of road construction, and EN 13450 for railway ...

7. 100 “One Size Fits All” Presents That Will Please Everyone

   www.aol.com/only-gift-guide-100-christmas...

   Review: "LOVE!!! so warm, so cozy, and great for sliding across a hardwood floor. These have kept my tootsies toasty all winter. 10/10, highly recommend." These have kept my tootsies toasty all ...