a system for screening luggage in airports; an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives
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Examples of explosive trace detection
explosive trace detection
In fact, all checkpoints are also equipped with explosive trace detection equipment.
From the bostonherald.com
Officials demonstrated the use of a hand-held explosive trace detection unit called the Sabre 4000.
From the washingtontimes.com
The screening will be done while they are seated, using the wand and explosive trace detection machines, he said.
From the cnn.com
The screening includes X-ray scanners like those used for checked baggage and, for some packages, physical inspections by staff or sniffer dogs, or the use of explosive-trace-detection technology.
From the washingtontimes.com
The stronger signal should also allow for detection of much smaller concentrations of airborne contaminants, a particular concern when trying to detect trace amounts of explosive vapors.
From the sciencedaily.com
