| 1. | Economical indicator system : after - glow luminescent evacuation indicator is applicable to fire apartment accesses for evacuation , and also used in fire service inventory , roads , number of building and apartment , etc
节能指示系统：小区采用了蓄光型自发光疏散指示标志，主要用于建筑物的消防通道疏散指示，消防用品的标识，小区道路指示，房屋编号和门牌号标识等地方。 |
