Detector

usgb/dɪˈtektər/Volume
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LampPro Tip 1/3
Safety ImportancePlay
Detectors often relate to safety, warning about dangers like smoke or carbon monoxide. SlideEvery home should have a carbon monoxide detector for safety.
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Specific UsagePlay
Detectors are named for what they detect: smoke detectors for smoke, metal detectors for metal. SlideThe airport security uses a metal detector to check for concealed weapons.
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Detection SignalsPlay
Detectors usually signal their findings with lights, sounds, or digital messages. SlideThe smoke detector beeped loudly when it sensed smoke in the room.