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metal detector |
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metal detector [′med·əl di‚tek·tər] (electronics) An electronic device for detecting concealed metal objects, such as guns, knives, or buried pipelines, generally by radiating a high-frequency electromagnetic field and detecting the change produced in that field by the ferrous or nonferrous metal object being sought. Also known as electronic locator; metal locator; radio metal locator. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Nationally, 30 percent of schools attended by 10th-graders use security guards, 4 percent use metal detectors, 18 percent have security cameras, and 18 percent have fencing around the entire school. Bunting also offers a line of electronic metal detectors designed to work individually or in tandem with its magnetic separation equipment. LANCASTER -- For the first time, Antelope Valley Fair patrons will be screened by metal detectors when they enter the fairgrounds, officials said. |
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