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Sandblasting, also known as dry abrasive blasting, is a powerful surface preparation technique that involves forcing solid particles of abrasive material against a hard surface at high speeds. This process uses high pressure, typically from compressed air, to accelerate particles fast enough to smooth, roughen, clean, or etch a material at a microscopic level. While the name implies the use of sand, actual sand is rarely used today due to significant health risks like silica