7210
Subsequently , as catalytic growth occurs at the sidewall , the associated increase in diameter will eventually push the NP back to its original wire - top position until the onset of a new instability at the triple phase line .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None