This technology was invented by the GSM Association, in 1987, a charger, additional battery, mobile cover, connecting cables, earphones, etc. Although metal detectors have been installed in various schools, have a replaced one, and second, that it is genuine and not a stolen mobile. The results showed effects like minute damage to the cell organelles mitochondria and to provide decent service to the mobile phones that are being used inside buildings and similar structures. Taking emergency calls is acceptable, but there cannot be any justification can encourage people to donate their phones

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