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When the blackout occurred due to the break out of fire, people use extinguisher to put out the fire. As the fire provides the light for us to see the direction but when the fire is extinguished, it will be very dark for you to escape the place and you may not find the quickest way to leave. EXIT-LIGHT with instant lighting allows you put out the fire immediately and provides lighting for your survival.
LIN, YEN-JU LEE,CHUN-YAO Yi-Xuan, Zhou Jheng-You, You