What type of device is the permanent directional panel?
Mechanics (different vehicle systems)
Permanent directional panels are considered guidance devices because their main function is to indicate the direction to follow on roads where there may be a risk or danger.
Explanation
The **permanent directional panels** are a type of **guidance device**. These panels are used to indicate the direction that drivers should follow in places where there may be danger. The number of panels present also informs about the level of danger in the area: one panel indicates moderate danger, two panels indicate considerable danger, and three panels indicate high danger. Therefore, their main function is to guide drivers safely through potentially dangerous areas, classifying them as guidance devices.
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