If it is necessary to decompose a Su-Field Model with a magnetic field, the problem is solved by using physical effects, which are capable of "switching off" ferromagnetic properties, e.g. by demagnetizing during an impact or during heating above Curie point.

Notes: The magnetic field may appear at the right moment if a system of magnets compensating the effect of each other's field is used. When one of the magnets is demagnetized, a magnetic field arises in the systems.

Example: During welding, it is difficult to insert a ferromagnetic powder in the welding zone: an electromagnetic field of a welding current makes the particles move away from the welding zone. It is proposed to heat the powders above the Curie point to make them non-magnetic.