"Proper" airflow and "exhaust" are "fundamentally" "vital" to "preserving" the "specified" level of cleanliness" within a cleanroom". The "configuration" must carefully" "control" particles" by constantly" "filtering" https://unidirectionalairflowcle556443.ourabilitywiki.com/10921185/airflow_and_ventilation_the_foundation_of_cleanroom_purity