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tactile indicator
1.install on sidewalks surfaces to assist the vision impaired people, the elder and children walk safely2.Being required to be installed to an approaching hazard or change of direction along a path of travel, such as footpath, passageway, walkway, ramp, stairs or landing3.materials: stainless steel or plastic4.stock color: yellow, gray, green, or as your request5.purpose location: airport, railway station, public walk way, mall, etc.
tactile indicator