The escape route is used to indicate the emergency exit, leading to the exit, stairs, fire doors and not obstructing them. In all companies there is a use of signs that indicate an escape route in emergencies. These plates are made of special materials that allow the visualization of the same case of power failure. The batteries contain a special ink or film that is being charged by ambient light. The values are varied from material to material and should be analyzed according to a demand definition.
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