Jawaban:

I assume you are asking about a caution sign. Caution signs can be found in many places, including the options you listed. However, the specific location of a caution sign will depend on the potential hazard it is warning about. For example, caution signs warning about wet floors are often found in public restrooms or near entrances where people may track in water. Similarly, caution signs warning about potential traffic hazards may be found on streets, in parking areas, or on roadsides. Therefore, the answer to your question depends on the specific context and the type of caution sign being referred to.