"Proper" airflow and "exhaust" are "completely" critical" to maintaining" the "required" level of "sterility" within a cleanroom". The "design" must "precisely" "control" particles" by "continuously" "filtering" the https://non-unidirectional-airfl306698.wikistatement.com/5762719/airflow_and_ventilation_the_foundation_of_cleanroom_purity