16845
Electric degradation only occurs when the device is in the charge - storage state , which provides a nanoscale dielectrophoretic force directing H2O to internal field centers ( sites of trapped charge ) to enable bond rupture and charged hydroxyl formation .
 Chemical: H2O; Chemical: hydroxyl
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: H2O; Chemical: hydroxyl