Stock Photo: Safety Sign To Hold On To The Handrail When Going Up Or Down The Stairs.

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accident attention background black body building bus business caution city climb climbing comfortable concept corporate danger design entrance equipment escalator exit fall fence flat floor grip hand handgrip handle handrail hazard head help high hold holding human icon interior journey line man metro modern move navigation office people person pictogram public railing safety sign silhouette staircase stairs stairway stand step subway support symbol traffic train transport transportation travel trip urban use walking warning white yellow