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The vertical sign recommends:

ADriving at a moderate speed so as not to damage the tires.
BThe use of special tires for driving on ice.
CThe use of snow chains.Correct
Explanation
The vertical information sign indicates the recommendation to use snow chains on at least two drive wheels. This sign is used on road sections where the presence of snow or ice makes the use of this safety device advisable to ensure vehicle grip.The remaining options are incorrect because the sign is not intended to warn about moderating speed to protect tires, nor does it specifically refer to the use of special tires for ice.
Explanation generated by artificial intelligence and may contain errors. Always confirm the information with your instructor.
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