Typically we’d think non-cuttable in term of hardness right? In this case the inner material is not very hard but is designed to use the energy in the spinning disk to set up “destructive vibrations” and the disk destroys itself.
Typically we’d think non-cuttable in term of hardness right? In this case the inner material is not very hard but is designed to use the energy in the spinning disk to set up “destructive vibrations” and the disk destroys itself.