6945
During dispensation , the contact angle ( =~ 95 degrees ) was larger than the drop advancing state ( =~ 80 degrees ) due to a period of nonadhesion , where the contact angle later reduced to the drop advancing state followed by increase in the liquid area coverage on the substrate .
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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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