This is a very important rule that is aimed at protecting people’s health and safety and it is imperative that this sign is displayed clearly for everyone to see and be reminded. An excellent extra feature of the sign means that it would continue to glow in the dark if the lights go out, as it is Jalite AAA photoluminescent. Fixing requires anything as simple as sticky pads, 'No-nails' type adhesive or double-sided tape.