It is a nightmare for the drivers to be involved in an accident in a tunnel,because the wayouts often can be blocked by the burning vehicles,crashed vehicles and other obstacles.And because the drivers are in the tunnels,the visibility is also greatly reduced.In order to evacuate or find emergency equipments like telephones,the safety way guidance systems like photoluminescent signs are needed.
Yeming`s high quality photoluminescent tunnel signs can be made based on materials stainless steel and aluminum,their sizes,shapes,pictograms,luminosity,thickness can be made according to the specific requirements from our customers.
The secret to making good bait is to try to imitate what a real fish looks like during the day and at night, and we happen to solve this problem neatly in ours article. That is to use luminous powder to make luminous paint to achieve the effect of the fish bait glowing in the dark.
Light-emitting materials, generally refers to materials that can emit visible light. It is said that during the period of Emperor Taizong of the Song Dynasty, the Japanese presented a painting, nothing could be seen during the day, but at night a lying cow could be seen. When we found out the reason