| 41. | The announcer reads this script over the public address system.
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| 42. | A van was parked on either side with public address systems on their roofs.
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| 43. | Unfortunately, she does it on the airline's public address system.
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| 44. | Electronic timing devices and a public address system were used for the first time.
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| 45. | I actually heard ( via the public address system ) that I was behind,
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| 46. | A police officer used his public address system to tell people to get back.
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| 47. | The outdoor lighting and public address systems would also disrupt the community, they said.
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| 48. | The noise grew even louder when his name blared over the public address system.
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| 49. | Public address system has been provided in 2 Schools.
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| 50. | Public address systems in many office buildings instructed workers to get under desks or tables.
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