Crusher - Wikipedia
A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.What You Need To Know About Building A Grain Mill,,If you want to make cakes, gravies, and other foods, the weight and texture of the flour can make the difference between a flop and a success. In most cases, a grain mill will only grind one or two texture types. If you want smoother flour or lighter weight flour, you will need to use different grinding agents, or even a different mill altogether.22 Crusher ideas | crusher, gold mining, gold mining equipment,Nov 30, 2018 - Explore Brenda Scott's board "Crusher" on Pinterest. See more ideas about crusher, gold mining, gold mining equipment.