| 31. | Management needs to take a clean chalkboard and build a new airline,
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| 32. | They were everywhere with politicians standing in front of chalkboards.
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| 33. | Fires at the two others burned chalkboards, floor mats and roofs.
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| 34. | Cheaper synthetic chalkboards, some green, began replacing the old standards.
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| 35. | Back in the classroom, the students are introduced to slate chalkboards.
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| 36. | A colorful chalkboard in the lobby listed activities around town.
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| 37. | Some words to some folks are like rakes across chalkboards.
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| 38. | Humans have similar reactions such as fingernails on a chalkboard.
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| 39. | These line includes Instant Chalkboard, Instant Stainless, and Instant Granite.
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| 40. | The well-preserved original slate chalkboards are still intact.
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