| 摘要 |
The marker has an after-glowing photo-luminescent material (40) that is placed on a set of elements on a floor, where one of the elements has a bent shape. The photo-luminescent material is provided on a transparent carrier material. The bend element consists of a predefined radius of curvature. The bend element is covered with a transparent material. A bent covering element (42) is provided on the transparent material for the bent element, where the covering element exhibits a U-shaped cross section. |
