Mill (grinding)
A grinding mill is a unit operation designed to break a solid material into smaller pieces. There are many different types of grinding mills and many types of materials processed in them. Historically mills were powered by hand (mortar and pestle), wind (windmills) or water (watermill). Today they are also powered by electrical power.
Types of grinding millsBall millWiley millHammer millDisk millFlour millMortar and pestleOil mill
Types of material processed in grinding millsgrain - as part of the process for turn the grain seed into flourorecrax is milled into meat and bone meal
See also expeller extruder vegetable oil. mill stone
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