If the use of snow chains is mandatory, on which wheels must they be installed?
Safe driving
Explanation
To drive safely in snowy conditions, it is important to know that **chains** must be placed on the vehicle's **driving wheels**. This is because the driving wheels are the ones that receive the engine's power and allow the vehicle to move forward. By putting the chains on these wheels, grip and traction are improved, which is crucial to avoid slipping on snowy roads.

Additionally, the R-412 sign indicates the obligation to use chains in these conditions, reinforcing the importance of placing them correctly to maintain safety while driving.
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