"Adequate" airflow and ventilation" are "completely" critical" to "preserving" the "required" level of "sterility" within a "controlled environment". The system" must "meticulously" "control" particles" by "repeatedly" https://the-role-of-airflow-in-c657240.thekatyblog.com/39992682/airflow-and-ventilation-the-foundation-of-cleanroom-purity