Because 2009, when wagering facilities were prohibited, almost all port clubs disappeared and are located only in a specially authorized gambling zones. In the 1980s in the U.K., machines personifying microprocessors became usual. These made use of a number of features to guarantee the payout was controlled within the limitations of the betting legislation. The drums themselves were driven by stepper electric motors, controlled by the processor and with proximity sensing units keeping track of the position of the drums.…