| 11. | New York police sealed manhole covers and removed mailboxes in Times Square.
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| 12. | He devised slots in unfastened manhole covers to prevent them from flying up.
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| 13. | The explosions flung up the manhole covers and broke up sections of concrete.
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| 14. | They fluttered around manhole covers that had been welded shut for security's sake.
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| 15. | A specially made manhole cover was made to mark the spot.
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| 16. | Authorities sealed manhole covers and dragged the moat of Osaka Castle for bombs.
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| 17. | Some owners cement their manhole covers when making renovations or extensions.
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| 18. | Manhole covers seem to have a strange allure in our culture.
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| 19. | At that time, a manhole cover opens and a boy rescues the five.
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| 20. | Adams, who threw around quarters like they were manhole covers, brought the champagne.
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