NKMZ and the Institute of Geotechnical Mechanics named after N.S. Polyakova of the National Academy of Sciences of Ukraine produce processing lines based on individual engineering to separate loose and wet rock according to size with a capacity of 50 to 200 t/hr, depending on the type of processed material, the size of the screen underflow and the area of screening surface. The basis of such lines is roll vibration classifiers (screens).