Machine tools, namely, longitudinal or transversal milling cutters; size reduction grinding machines for the size-reduction and production of strip and cube shaped products of cuttable organic and inorganic materials, especially leather, cellulose, rubber, elastomers, soft metal sheets; size-reduction machines, particularly pelletizers being grinding machines for grinding of thermoplastics, thermosetting plastics, elastomers, soft metals and vinyl sheets, paper, cellulose, composite materials...