With the extra powerful, patented FRITSCH Cutting Mill Combination of the Universal Cutting Mill PULVERISETTE 19 large with variable rotational speed of 50-700 rpm and the Universal Cutting Mill PULVERISETTE 19 with a variable rotational speed of 300-300 rpm, as well as the associated FRITSCH high-performance Cyclone separator, it is possible, for example, to process 2 litres of sample material with a particle size of 30 mm in only one single step.