| 31. | Even relatively advanced cities like Guangdong had large populations without access to any kind of food preservation.
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| 32. | This encompasses all aspects of food preservation.
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| 33. | Experts blame the problem on excessive use of insecticides, food preservation chemicals and weight-gain substances for livestock.
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| 34. | The original focus of the Department was to teach students and homemakers the technology of food preservation.
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| 35. | Like jerky, of which kuivaliha is a variant of, its origins lie in the need for food preservation.
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| 36. | Refrigeration systems were introduced to the farming process, which helped in food preservation and kept food supplies safe.
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| 37. | For more information, see food preservation.
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| 38. | In 1961 the CSIRO Division of Food Preservation moved from Homebush to its new buildings at North Ryde.
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| 39. | Ice was cut from the ponds, stored in icehouses, and used in the summer months for food preservation.
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| 40. | In addition, climate influences food preservation.
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