Part,  Chapter, Paragraph

1  III,    10.  5.  1|          dioxide (CO2) levels in classrooms. Moreover, this study could
2  III,    10.  5.  1|          particles (PM10) in the classrooms and respiratory health in
3  III,    10.  5.  1| improving the ventilation in the classrooms through the installation
4  III,    10.  5.  1|          environment in schools. Classrooms should have frequent cleaning
5  III,    10.  5.  1|       ozone, and formaldehyde in classrooms. Indoor Air.~Mendell MJ,
6  III,    10.  5.  1|          air filter condition in classrooms on the performance of schoolwork