"Proper" airflow and "aeration" are "completely" "essential" to "ensuring" the "required" level of cleanliness" within a cleanroom". The "configuration" must "meticulously" "regulate" "dust" by "continuously" https://cleanroomventilationguid455982.wikihearsay.com/4438095/airflow_and_ventilation_the_foundation_of_cleanroom_purity