Final answer:
When you see a red flag or buoy with a white diagonal stripe, it indicates that there are divers in the area. Exercise caution and avoid disturbing or harming the divers. This symbol is also recognized as a universal warning for boats and ships.
Step-by-step explanation:
When you see a red flag or buoy with a white diagonal stripe (divers-down symbol), it indicates that there are divers in the area. In this situation, you must exercise caution and avoid disturbing or harming the divers.
This flag or buoy is commonly used to mark areas where diving activities are taking place, such as underwater construction sites or areas with coral reefs. It is important to respect the divers' safety and give them enough space to operate.
Additionally, this symbol is also recognized as a universal warning to boats and ships to slow down and proceed with caution, as there may be divers in the water.