27434
A full factorial design of experiments ( DOE ) study on three process parameters , exhaust temperature , pan speed and spray rate was conducted on a 24 inch pan coater , using a coating system and a core tablet combination expected to have a narrow process operating space .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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