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Railroad signal with red warning lights against a blue sky
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RISUchyan

White alarm panel featuring a red warning light and red button
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sakurai

Close-up of a yellow rotating light mounted on a pole near a structure
hiro

hiro

Fire safety equipment box with a red button and alarm light
yslab

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Red alarm light and sound device on a white wall panel
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ブー太郎

Fire safety panel featuring a red warning light and green exit sign
DragonOne

DragonOne

Red alarm bell and light mounted on a white box
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White fire alarm panel with buttons and a red alarm button mounted on a wall
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sakurai

Red pedestrian signal illuminated against a dark background
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sg_camera

Green traffic light illuminated against a cloudy sky
DragonOne

DragonOne

Close-up of a power strip emitting warm yellow light against a dark background
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fuu111

Close-up of a switch box with red indicator lights
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DragonOne

Dark interior of an airplane with illuminated red lights
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nnnoooo

Dimly lit airplane cabin with red lighting illuminating the seats
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A simple structure with a red button on a white wall
あさ

あさ