"Proper" airflow and "aeration" are absolutely" critical" to "preserving" the "specified" level of "purity" within a "controlled environment". The "design" must "meticulously" "regulate" particles" by "continuously" https://airflowandventilationinc098521.yourkwikimage.com/2472047/airflow_and_ventilation_the_foundation_of_cleanroom_purity