This type of machine: https://dingsmagnets.com/wp-content/uploads/2023/03/Eddy-Current-Concentric-Operation.png https://dingsmagnets.com/wp-content/uploads/2023

This type of machine: https://dingsmagnets.com/wp-content/uploads/2023/03/Eddy-Current-Concentric-Operation.png https://dingsmagnets.com/wp-content/uploads/2023/03/Eddy-Cur... The rotor contains powerful magnets and when it spins quickly it induces a magnetic field in nonferrous metals like aluminum, repelling them from the rotor so that they overshoot the "other waste" bin.