Prevention of fire and carbon monoxide poisoning
Winter is the peak season for fires. Due to the dry winter climate, cold weather and increased use of fire and […]
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A life-saving smoke alarm in a fire
Why are so many people trapped in an indoor fire? According to statistics, more than 80 percent of those who died […]
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Smoke detector types and application
Point type smoke fire detector As shown in the figure below, the infrared light emitted by the detector’s light emitting component […]
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The two signal wires of the fire alarm do not distinguish between positive and negative poles. But the two wires can […]
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