Biblioteca
Estuda os sinais, revê a matéria e consulta resumos quando precisares.
The coupling/hitching systems normally fitted to heavy passenger vehicles must be:
The hitch or coupling device installed on a vehicle must be removable whenever it is not towing a trailer. This rule serves to ensure public road safety, preventing a protruding structure at the rear of the vehicle from causing additional damage in the event of a collision or posing an unnecessary danger to other road users when not in use. The remaining options are incorrect because coupling systems should not be deformable or flexible in a way that compromises the stability and firmness of the connection. The hitch structure must ensure a secure and rigid mechanical union between the towing vehicle and the trailer; flexibility or deformability are not required characteristics for this type of device.