"Proper" airflow and "exhaust" are "completely" "essential" to "ensuring" the desired" level of "sterility" within a cleanroom". The "design" must "precisely" "control" particles" by "continuously" "filtering" the https://theroleofairflowincleanr489535.wikissl.com/2376761/airflow_and_ventilation_the_foundation_of_cleanroom_purity