"Proper" airflow and "exhaust" are "completely" critical" to "ensuring" the desired" level of "sterility" within a "sterile area". The "configuration" must "precisely" "control" "dust" by "repeatedly" replacing" the https://airflow-and-ventilation-115782.wannawiki.com/1470514/airflow_and_ventilation_the_foundation_of_cleanroom_purity