"Adequate" airflow and "exhaust" are "fundamentally" "essential" to maintaining" the desired" level of "purity" within a "controlled environment". The system" must "meticulously" manage" particles" by "repeatedly" https://the-role-of-airflow-in-c658331.ttblogs.com/21806892/airflow-and-ventilation-the-foundation-of-cleanroom-purity