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1. Quay

A quay warning is a sign used near quays or docking areas to warn people of potential hazards related to the waterfront, docking operations, or ship movements. These signs are typically placed to ensure the safety of pedestrians, workers, and vessels around the quay area.

• Safety Alerts - They inform individuals about specific risks, such as slippery surfaces, moving ships, or high tides.
• Hazard Identification - Some signs may alert people to low visibility conditions, fast currents, or unprotected edges.
• Visibility - Provides clear and visible alerts to make individuals aware of hazards around the quay, docks, or waterfront.

Warning for a quay. Warning for a steep descent of 20%. (Cenon-sur-Vienne, France) © Wikimedia.org/Lionel Allorge, CC BY-SA