3938
The increased inhaled application of titanium dioxide nanoparticles ( TiO ( 2 ) NPs ) increases the potential pulmonary health risks .
 Chemical: titanium dioxide; Chemical: TiO ( 2 )
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: titanium dioxide; Chemical: TiO ( 2 )