"Adequate" airflow and "exhaust" are absolutely" critical" to "preserving" the desired" level of "sterility" within a "controlled environment". The system" must "precisely" "control" particles" by constantly" https://the-role-of-airflow-in-c182583.eqnextwiki.com/5883846/airflow_and_ventilation_the_foundation_of_cleanroom_purity