Sharpening

device for sharpening a pencil's writing point by shaving away its worn surface

stone used to sharpen the edges of steel tools and implements through grinding and honing

abrasive machining process that uses a grinding wheel as a cutting tool

power tool or machine tool used for grinding, which is a type of machining using an abrasive wheel as the cutting tool; mechanical hardware for grinding

thumb|A hand-held tungsten carbide knife sharpener, with a finger guard, can be used for sharpening plain and serrated edges on [[pocket knives and multi-tools.]]Sharpening is the process of creating or refining a sharp edge of appropriate shape on a tool or implement designed for cutting. Sharpening is done by removing material from the implement with an abrasive substance harder than the material of the implement, followed sometimes by processes to polish the sharp surface to increase smoothness and correct small mechanical deformations without removing significant metal.

rod of steel, ceramic or diamond coated steel used to realign blade edges

device for straightening and polishing blades

working on a knife blade to make it sharper