Magnetic vibrators; lifting magnets, metal detectors; permanent non-electric magnets, permanent magnetic power castings, pressings, extrusions, and moldings which included various types of permanent magnet material; elongated single domain magnets; magnetic rubber and plastics, vibrating screen separators having horizontal, vertical and gyratory motion components for use in grading, separating and screening wet and dry materials or objects; all included in Class 9.;