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http://www.isffilm.com ha inviato un aggiornamento 3 anni, 4 mesi fa
Some vehicles now have steering on all four wheels. This arrangement was introduced primarily to permit a tighter turning
circle and to facilitate parking in a restricted space. It is most useful for truck chassis other parts, heavy goods vehicles and tractors, although it is also
available on a few cars. The rear wheels, which cannot turn as far as the front wheels, are controlled by a computer and
actuators.
