"Proper" airflow and "aeration" are "fundamentally" "vital" to "ensuring" the "specified" level of "purity" within a "sterile area". The "configuration" must "precisely" "control" particles" by constantly" "filtering" https://non-unidirectional-airfl349783.plpwiki.com/7741097/airflow_and_ventilation_the_foundation_of_cleanroom_purity