smoke detectors
Ceiling-mounted safety sensors
Smoke detectors are devices that sense smoke and sound an alarm to warn of fire.
Most homes have them mounted on ceilings or walls, where they detect particles in the air from smoldering or burning materials.
The smoke detector started beeping because the battery was low.
Building codes typically require them in residential and commercial structures.
- fire alarmsAutomated warning systems
- photoelectricLight-induced electrical activity
- ionizationCharge acquisition process
- chirpingHigh repeated animal calls
- evacuation plansOrganized emergency exit protocols
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Devices for dousing flames
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Tools for starting fires
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