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Developing of cellular phone makes easy communications each other
in the world as person to person, person to company or business.
But, sometimes cellular phone was used by Terroist to explore
the bombs in the building, the cars, the airplanes etc. Bombs
planted by terroists along a known route can be activated by cellular
phone signal or other RF signals. Terroist members have been known
to continue conducting operation from their prison confines using
smuggled cellular phones. Even, cellular phone used chatting the
examinations in universities, colleges and schools.
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