abrasives

Abrasives are materials used to wear away or smooth surfaces through grinding, polishing, or cleaning. They consist of hard particles, like sand, aluminum oxide, or diamond, embedded in a substance or loose. When rubbed against a surface, these particles break down the surface material or remove contaminants, helping to shape, sharpen, or finish objects. Abrasives are common in tools like sandpaper, grinding wheels, and polishing pastes, and they are essential in industries such as manufacturing, construction, and metalworking for achieving precise, smooth, or clean surfaces.