OverviewGrinding lawsGrinding machinesTypes of grinding millsSee alsoExternal links
A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting.minution is an important unit operation in many processes. There are many different types of mills and many types of materials processed in them. Historically mills were powered by hand e.g., via a hand crank, working animal e.g., horse mill, wind windmill or water watermill. Today they are usually powered by electricity.