"Adequate" airflow and "exhaust" are "completely" critical" to "preserving" the "specified" level of "sterility" within a cleanroom". The "configuration" must "precisely" manage" particles" by "repeatedly" "exchanging" https://airflow-and-ventilation-158938.wikicommunications.com/7753462/airflow_and_ventilation_the_foundation_of_cleanroom_purity