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PERMALIGHT® photoluminescent safety markings absorb light and emit a bright yellow, non-electrical glow in full darkness. The glowing safety markings include steel plates for gratings, Wall- and Corner Foam guards, Metal Step Edges, floor markers, Obstacle highlighters and safety signs. Inquire about our products that comply with the APTA-requirements for “Low Location Lighting” and “Egress Signage” inside passenger trains.