Uses: Agriculture chemical, fertilizer, fodder and pigment, catalyst, purifying pharmaceutical, disinfectant, magnetisable material raw materials, etc.
Suitable for processing the things to grind in the small part and fee manpower, it is used in such trades as electronic material, magnetisable material, biological medicine, ceramic glaze thick liquid, nonmetal ore, new materials,etc. that very extensive.
((2) A form of computer storage which utilises a rotating,magnetisable drum.