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2. Sandblasting - Wikipedia

   en.wikipedia.org/wiki/Sandblasting

   Many coarser media used in sandblasting often result in energy being given off as sparks or light on impact. The colours and size of the spark or glow varies significantly, with heavy bright orange sparks from steel shot blasting, to a faint blue glow (often invisible in sunlight or brightly lit work areas) from garnet abrasive.

3. Steel abrasive - Wikipedia

   en.wikipedia.org/wiki/Steel_abrasive

   Steel abrasives are steel particles that are used as abrasive or peening media. [1] They are usually available in two different shapes (shot and grit) that address different industrial applications. Steel shot refers to spherical grains made of molten steel through an atomization ("granulation") process, available in different sizes and hardnesses.

4. Dry-ice blasting - Wikipedia

   en.wikipedia.org/wiki/Dry-ice_blasting

   The method is similar to other forms of media blasting such as sand blasting, plastic bead blasting, or sodablasting in that it cleans surfaces using a medium accelerated in a pressurized air stream, but dry-ice blasting uses dry ice as the blasting medium. Dry-ice blasting is nonabrasive, non-conductive, nonflammable, and non-toxic.

5. Shot peening - Wikipedia

   en.wikipedia.org/wiki/Shot_peening

   Because peening typically produces larger surface features than sand-blasting, the resulting effect is more pronounced. Shot peening and abrasive blasting can apply materials on metal surfaces. When the shot or grit particles are blasted through a powder or liquid containing the desired surface coating, the impact plates or coats the workpiece ...

6. Powder coating - Wikipedia

   en.wikipedia.org/wiki/Powder_coating

   Glass bead blast medium contains glass beads of various sizes. Cast steel shot or steel grit is used to clean and prepare the surface before coating. Shot blasting recycles the media and is environmentally friendly. This method of preparation is highly efficient on steel parts such as I-beams, angles, pipes, tubes and large fabricated pieces.

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