"Effective" airflow and "exhaust" are "fundamentally" "vital" to "ensuring" the "specified" level of "purity" within a cleanroom". The system" must carefully" "regulate" particles" by "repeatedly" "filtering" the air" https://graysonjwfe138195.liberty-blog.com/41920427/airflow-and-ventilation-the-foundation-of-cleanroom-purity