"Effective" airflow and "exhaust" are "completely" "vital" to "ensuring" the "specified" level of cleanliness" within a "sterile area". The "design" must "precisely" "control" particles" by constantly" replacing" the https://the-role-of-airflow-in-c629098.wikipresses.com/7668804/airflow_and_ventilation_the_foundation_of_cleanroom_purity