| 11. | I wonder how I got through life without fax machines and portable phones.
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| 12. | I misplace the portable phone almost every time I use it.
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| 13. | With their designer clothes and portable phones, the newly rich underline the new inequalities.
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| 14. | In fact, that spectrum _ 2.4 gigahertz _ is used by some portable phones.
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| 15. | The company is spending heavily to increase production of portable phones using CDMA technology.
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| 16. | His portable phone rings frequently and he takes orders from all over the country.
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| 17. | The battery in Elkins'portable phone went out, then he accidentally shut off the truck.
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| 18. | New Jersey-based Lucent makes the infrastructure inside many portable phones.
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| 19. | Its door bears a sign designating it a " Portable Phone Free Zone ."
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| 20. | And the new portable phones are packed with features that make them more attractive.
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