Cereals and pulses are used in the separation of impu-rities from the product heavier. The machine makes a distinction according to the specific weight of the ma-terial. The main product is a heavy stone, metal, glass, etc. materials such as steel mesh table top, leaving the product on the basis of absorbed air remains. Col-liding into the groove of stone out of table movement and leaves the machine. One machine, one driven by an electric motor connected to the aspirator. Machi-nery, wheat, barley, lentils, cumin, sesame seeds and used all kinds of dried beans.