22536
This review summarizes the recent research on and applications of patterning of controllable surface wettability for printing techniques , with a focus on the design and fabrication of the precise surface wettability patterning by enhancing the contrast of hydrophilicity and hydrophobicity , such as superhydrophilicity and superhydrophobicity .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
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