History of Flood Warning Sign
| Element | Description | Element Code | Essential | Uniclass 2015 | Updates |
|---|---|---|---|---|---|
| Flood Warning Sign | Part of a flood warning system that warns people in the area of imminent flooding by textual or graphic information. | FWS | No | Pr_40_10_77_97 | 27-04-2021 |
| Flood Warning Sign | Part of a flood warning system that warns people in the area of imminent flooding by textual or graphic information. | FWS | No | Pr_40_10_77_97 | 11-04-2023 |