ricardojoan504
ricardojoan504 ricardojoan504
  • 18-05-2017
  • Social Studies
contestada


1. How do metal detectors make save lives?

Respuesta :

UserX UserX
  • 12-03-2019

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.

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