| 21. | We are maintaining the required level of security and alertness.
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| 22. | The Israeli government commended the bus driver for his alertness.
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| 23. | But alertness can provide only so much safety on pucks.
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| 24. | By this time, alertness must be second nature to every community.
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| 25. | It has, of course, led to higher levels of alertness.
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| 26. | Alertness and the application of our play are our weapons.
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| 27. | Low doses of caffeine cause increased alertness and decreased fatigue.
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| 28. | When stimulated, these systems produce cortical activity and alertness.
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| 29. | Vigilance and basic alertness benefited the least while working memory benefited greatly.
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| 30. | Their eyes and ears are expressive and should show alertness.
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