"Adequate" airflow and "aeration" are "completely" critical" to maintaining" the desired" level of "sterility" within a "sterile area". The "design" must "precisely" manage" "dust" by "repeatedly" replacing" the air" https://the-role-of-airflow-in-c461691.mappywiki.com/2453044/airflow_and_ventilation_the_foundation_of_cleanroom_purity