A polarized electroluminescence element used for a display is disclosed. Use of the method in a CDMA context. The device further includes means for facilitating the determination of compaction of soils through keyhole openings and a means for automating the collection and processing of the generated compaction data. The encapsulated data, once present on the first system, is decapsulated by the decapsulating unit to obtain a trigger corresponding to the second application system and encapsulated in the encapsulated data. The system is equipped to determine the second derivative of the wheel speed to the quotient of the longitudinal force and the vertical force and use this parameter to control the braking andor driving the wheel.