9097
This optimal surface architecture consists of microscale features spaced close enough to enable transition of larger droplets into micro - Cassie state yet , at the same time , provides sufficient spacing in - between the features for occurrence of mobile coalescence .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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