| 31. | This theory foreshadowed modern versions of the air traffic control system.
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| 32. | Air traffic control was not immediately available for comment Saturday night.
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| 33. | Barricade Traffic Services Inc . were in charge of traffic control.
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| 34. | Some of the discussion is focusing only on air traffic control.
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| 35. | In 1974 the Air Traffic Control Tower opened easing traffic congestion.
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| 36. | The cause was found to be errors by Air Traffic Control.
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| 37. | Nothing else was discussed with air traffic control for 16 minutes.
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| 38. | A new air traffic control tower was opened in October 2005.
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| 39. | The laggards include systems used for air traffic control and immigration.
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| 40. | It is one of the most responsible jobs in traffic control.
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