Mining operations use crushers, commonly classified by the degree to which they fragment the starting material, with primary and secondary crushers handling coarse materials, and tertiary and quaternary crushers reducing ore particles to finer gradations. Each crusher is designed to work with a certain maximum size of raw material, and
Iron ore mobile crusher including mobile jaw crusher, mobile cone crusher, and mobile impact crusher, crusher are What are primary secondary tertiary sectors? , eHow UK. Other industries include the mining industries, such as coal, iron ore or oil, which The primary sector
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20.08.2013 Mining and processing of iron ore involves coarse crushing and screening. Iron ore is beneficiated by crushing and then separating the iron from the gangue minerals through screening. This is usually so efficient that lower grade ore can be treated especially when the magnetite is quite coarse. Common iron ore crushers are jaw crusher