41. Through a plexiglass barrier pierced with air holes , he says he no longer wants to remain in America and denies any connection to terrorists. 42. Since then, he's always been a little cautious of any package riveted with air holes and adorned with verbiage that states " Live ." 43. Workers on Thursday heard several taps on a 6-inch ( 15-centimeter ) air hole drilled down to where the miners were believed to be. 44. Critics say the current FTC tests don't account for smokers who inhale low-tar cigarettes more deeply, or who cover air holes in the filters. 45. Quive-Smith seals the only entrance and passes his quarry the confession and a pen through an air hole , threatening to leave him trapped inside. 46. If it stops raining for a second, he uncovers a portion of the field and pokes air holes in it-- so it dries more quickly. 47. The taps were in response to taps rescuers made on a 6-inch ( 15-centimeter ) metal drill used to make an air hole , officials said. 48. The shafts were interpreted as " air holes to allow for the expansion of the gases released by the explosion of the launching charge ." 49. And the seals can navigate back to a small air hole in the ice even after traveling more than a mile ( 1.6 kilometers ) underwater. 50. Even though there had been no contact with the miners since Thursday when tapping was heard on an air hole , workers were optimistic they were alive.