"Adequate" airflow and "exhaust" are "fundamentally" "essential" to "preserving" the "required" level of cleanliness" within a "sterile area". The "design" must "precisely" "control" particles" by "continuously" https://unidirectional-airflow-c427612.mywikiparty.com/2460077/airflow_and_ventilation_the_foundation_of_cleanroom_purity