... that can be felt underfoot and recognised as a warning of impending pedestrian hazard, particularly to the vision impaired, but also ... to be installed to an approaching hazard or change of direction along a path of travel, such as a footpath, passageway, walkway, ramp ... : 304 or 316 Stainless Steel. 4. Purpose location: Airport, Railway Station, Public Walk Way, Mall, etc.5. Surface Design:Flat or ...