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When expertly "cut" by striking parallel to the foliation with a specialized tool in the quarry, many slates display a property called fissility, forming smooth, flat sheets of stone which have long been used for roofing, floor tiles, and other purposes. [1] Slate is frequently grey in color, especially when seen en masse covering roofs.
The goal is to reduce minute irregularities and produce a clean, smooth surface. The parts are usually tumbled against themselves or with steel balls, shot, rounded-end pins, or ballcones to achieve this. It is also usually a wet process that uses water and a lubricant or cleaning agent, such as soap or cream of tartar.
Surface grinding is a finishing process that uses a rotating abrasive wheel to smooth the flat surface of metallic or nonmetallic materials to give them a more refined look by removing the oxide layer and impurities on work piece surfaces. This will also attain a desired surface for a functional purpose.
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Polishing is the process of creating a smooth and shiny surface by rubbing it or by applying a chemical treatment, leaving a clean surface with a significant specular reflection (still limited by the index of refraction of the material according to the Fresnel equations). [1]
Learn how to get smooth skin with the help of dermatologists. These five tips are helpful for every skin type. Plus, shop skincare that offers baby soft skin.
If you can get the stirring (and not-stirring) down, you will be a fudge expert. Once the fudge is cooked, beat it with a wooden spoon for about 5 to 10 minutes until it's creamy and loses its sheen.
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