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Finally a clear explanation on the braking systems of TRAILERS WITH A TOTAL WEIGHT OF OVER 3.5 TONNES. In particular, we explain the use and functionality of the TRIPLE CONTROL SERVO DISTRIBUTOR, MODULATED SERVO DIVERTER, SERVO AUTODISTRIBUTOR and MODULATED SERVO DIVERTER. After the video, CHECK NOW if you understood with the immediate feedback of QUIZ.ESTREMA.BIZ or download our APP eStrema.biz now