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The Summer
"We live in a wide variety of viruses and bacteria. A doctor, in order to resist bacteria, will be put on several layers of anti-bacteria cover. A cook, in order to achieve food hygiene, will be, too. These are all for the sake of our health. How can we easily away from harmful bacteria, viruses, insects, etc.? How do we do?"
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The Summer
"We live in a wide variety of viruses and bacteria. A doctor, in order to resist bacteria, will be put on several layers of anti-bacteria cover. A cook, in order to achieve food hygiene, will be, too. These are all for the sake of our health. How can we easily away from harmful bacteria, viruses, insects, etc.? How do we do?"
Date: 2/14/11
Views: 131
Video by:  Microsoft
 
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