Using of an apparatus for separating magnetic pieces of scrap-material of a first group from magnetic pieces of scrap- material of a second group, wherein a mixture of pieces of scrap-material from the first group and from the second group is collectively transported with a conveyor to a separating zone, in which separating zone the pieces or scrap-material are subjected to forces induced by a magnetic field and to gravitational forces.Design & ConstructionCivil Engineering and Geoscience