1. How do metal detectors make save lives?

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asked May 23, 2018 49.3k views

1 Answer

Samuel Bolduc · Answer 1 · 2018-05-29T02:47:04+0000

metal detector work on electromagnetism principle, whenever someone pass through metal detector range, the metal comes with in the range of electromagnetic lines, and starts to beep, hence our lives are saved.

1. How do metal detectors make save lives?

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