| 11. | The designated shooter can be identified by palm or fingerprint, numerical code, swipe card or voice recognition.
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| 12. | Defensive formations are often known by a numerical code indicating the number of players at each position.
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| 13. | These devices give owners special keys with tiny transmitters that send a numerical code that constantly changes.
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| 14. | His little book, " Pager Power, " provides 11, 000 numerical codes that represent words or phrases.
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| 15. | Because numerical coding represents the sound waves perfectly, the sound can be played back without background noise.
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| 16. | In " L?ch S? ", teams had to use a series of numerical codes to reveal a passphrase.
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| 17. | Ordinary traffic signs alternate with others in numerical codes, marking exits open only to drivers with security clearances.
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| 18. | For instance, the system could be configured so users would have to enter unique numerical codes before selecting floors.
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| 19. | The keys are distributed to as many as twenty-one people and the numerical code is distributed to another twenty-one people.
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| 20. | She designed a numerical code, which corresponded to the members of Groep 2000, the people in hiding and all addresses.
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