TRU COMPONENTS TRU COMPONENTS Magnetic field detection film 1565488 (L x W) 35 cm x 20 cm

This text is machine translated. This indication foil can be used to manipulations by external magnetic field exposure (as in the case of older mechanical electricity meters is possible). After exposure of a magnetic field remains a characteristic pattern. Through a very spot of magnetic field (stylus with magnetic tip), the film also as often described or painted. The "Delete" is carried out by a large-area magnetic field, the particles again" in the form". Through the universal application of additiona...