Abrasive can be defined as a hard material, that can be used for polishing, smoothening, and grinding the surface of other materials. Some abrasives are hard enough to cut hard materials. Abrasives are extremely commonplace and are used very extensively in a wide variety of industrial, domestic, and technological applications. This gives rise to a large variation in the physical and chemical composition of abrasives as well as the shapes of the abrasive. Some Common uses of abrasives include grinding, polishing, buffing, honing, cutting, drilling, sharpening, lapping, and sanding.