"Adequate" airflow and "aeration" are "fundamentally" "vital" to "ensuring" the "required" level of "purity" within a "sterile area". The "configuration" must "meticulously" "control" "dust" by "repeatedly" "filtering" https://why-cleanroom-ventilatio762464.mysticwiki.com/2403206/airflow_and_ventilation_the_foundation_of_cleanroom_purity