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What are MacBook laptops made of?

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MacBook laptops are made of a variety of materials, including aluminum, plastic, glass, and silicone. The main body of the laptop is typically made of aluminum, which is a lightweight and strong metal that is resistant to corrosion. The aluminum casing is machined from a single block of aluminum, which helps to create a slim and lightweight laptop. The display of the MacBook is made of glass, which is strong and resistant to scratches. The glass is also treated with an oleophobic coating, which helps to reduce fingerprints and smudges. Inside the laptop, there are various components made of plastic, such as the keyboard and trackpad. These components are typically made of high-quality plastic that is durable and long-lasting. MacBook laptops also use silicone in some of their components, such as the seals and gaskets that help to protect against moisture and dust. Overall, MacBook laptops are designed to be durable and long-lasting, and the use of high-quality materials helps to ensu

Define Abrasives & Abrasives Examples

 Define Abrasives Abrasives are used in many industries to clean or remove dust and other foreign material from surfaces. They are also used for cleaning surfaces that have a high surface tension like glass, plastics, and ceramics. An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away by friction.  Wikipedia Examples of Abrasives Abrasives. Abrasives are materials that wear off dirt by rubbing. Rottenstone, whiting, pumice, volcanic ash, quartz, marble, feldspar, and silica are prime examples of an abrasive. Sandpaper, plastic and nylon meshes, and steel wool are also abrasives. Material Used in Abrasives Abrasive materials are hard crystals that are either found in nature or manufactured. The most commonly used of such materials are aluminum oxide, silicon carbide, cubic boron nitride, and diamond. Other materials such as garnet, zirconia, glass, and even walnut shells are used for s