"Proper" airflow and "exhaust" are "fundamentally" "vital" to "preserving" the "required" level of "purity" within a "sterile area". The system" must "meticulously" "regulate" "contaminants" by "repeatedly" https://unidirectionalairflowcle030280.nytechwiki.com/423011/airflow_and_ventilation_the_foundation_of_cleanroom_purity