"Proper" airflow and "exhaust" are "completely" "vital" to "preserving" the "specified" level of "purity" within a cleanroom". The "design" must "precisely" "regulate" "contaminants" by "continuously" "filtering" the https://cleanroom-ventilation-gu251318.wikifordummies.com/9659119/airflow_and_ventilation_the_foundation_of_cleanroom_purity