Evacuation signs are one of the important fire fighting facilities to ensure people's safe and quick escape after a fire. In the evacuation aisle and the main evacuation route on the ground or near the ground wall set luminous evacuation signs, can effectively help people in the smoke filled situati

Light-storing self-luminous materials are also called light-generating ultra-long afterglow light-storing materials, non-radioactive light-storing materials, and power-free self-luminous materials. The material actively absorbs and stores sunlight, light, ultraviolet light, stray light and other vis

Evacuation safety risks in subway interval tunnelsInter-district tunnels are relatively closed spaces, connected to the station at both ends of the tunnel, with a general length of 1200m and various pipelines set up on both sides of the tunnel side walls. Due to the constraints of the tunnel section

Evacuation safety risks in subway interval tunnelsInter-district tunnels are relatively closed spaces, connected to the station at both ends of the tunnel, with a general length of 1200m and various pipelines set up on both sides of the tunnel side walls. Due to the constraints of the tunnel section