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A spinning band distillation system uses a spinning band of Teflon or metal to force the rising vapors into close contact with the descending condensate , increasing the number of theoretical plates .
 location: Teflon
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Teflon