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µ¿½ÃÁ¢¼ÓÀÚ: 052 |
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ÀÛ¼ºÀÏ : 12/01/08
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Á¶È¸ : 9,840
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ÀÌÁ¤¹Ì.hwp (26.5K) |
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It is said that changes in heating systems of buildings can lead to disease. In the 1970's, There was a worldwide shortage phenomena of heating oil. for this reason, hotels in the Unites states are said to have lowered the temperature in their heating systems in order to save fuel. However, This lower temperature was a perfect environment for a deadly germ which grows in heating pipes. Therefore, when the heated air flew into each room of a hotel, the heated air carried the germs with it. that's why many visitors became ill and several died.
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