Purpose: A warning sticker designed to mark areas where there is a sudden drop in floor level, such as a step down or a slight difference in surface height. Suitable for use in workplaces, manufacturing facilities, warehouses, retail spaces, and other premises.

Hazard: A sudden change in floor level may go unnoticed, posing a risk of tripping, losing balance, falling, and sustaining injury.

Behavior: Upon seeing the sign, one should take note of the change in floor level, slow down, and cross the marked area cautiously.