| 41. | Defenses are prepared by building booby-traps and fortifying a rocky outcropping.
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| 42. | Petrov set about fortifying the inland approaches to Sevastopol.
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| 43. | Fortifying himself with defensive techniques from the Bla as an outpost and armory.
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| 44. | Sisko begins by fortifying the garrison's defenses.
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| 45. | After this request was refused, he turned to fortifying the northern frontier.
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| 46. | Nationalist defenders of Wuli first strengthened their defense by further fortifying the positions.
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| 47. | The Parliamentary forces then set to fortifying the islands.
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| 48. | They communicate through letters, further fortifying their love.
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| 49. | Fortifying ingredients are being added to some products.
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| 50. | Skinner's, for one, has begun fortifying its pasta with calcium.
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