"Proper" airflow and "exhaust" are "fundamentally" "essential" to maintaining" the "required" level of cleanliness" within a "sterile area". The "design" must "meticulously" manage" "dust" by "repeatedly" "exchanging" https://theroleofairflowincleanr889681.homewikia.com/12383755/airflow_and_ventilation_the_foundation_of_cleanroom_purity