28506
The aerosol generated from the modified HandiHaler increased to micrometer size ( 2 . 8 mu m ) suitable for pulmonary deposition , when exposed to simulated respiratory conditions , with negligible mouth - throat ( MT ) deposition ( 2 . 6 % ) .
 None
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:
 None