The design features of the grinding devices that implement the impact destruction of the ferromagnetic materials particles in a magneto vibrating layer formed in a non-uniform magnetic field are considered. It is shown that when a magnetizable powder is affected by an alternating magnetic field with certain parameters. a magneto vibrating layer is formed. under the conditions of which. https://megavitamines.shop/product-category/organic-black-seed-with-vitamin-c/