the fire alarm system combination sound and light alert |
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| navigate by keyword : alarm alert bell box brightly bulb colorful combination control danger electrical emergency emitter equipment evacuation extinguishing factory fire flash hazard heat hooter industrial industry lamp lantern lights loud notice notification object orange pipe plant prevention red ring safety security shiny signal siren sound system technology tube warn warning whistle workshop |
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| The fire alarm system. The combination of sound and light alert. |
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