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People often have a trouble finding a emergency exit to evacuate owing to a fire alarm smoke.
A fire extinguisher that using FRID sensor to help evacuate in case of an emergency.
This is due to the interplay between the fire extinguisher and the exit light, mark indication of direction with LED lamp.
Yongin-si, Gyeonggi-do, South Korea
InCheon, South Korea
Mr. Byeong Oh Son