"Adequate" airflow and "exhaust" are "completely" "vital" to "ensuring" the "required" level of cleanliness" within a "sterile area". The "design" must carefully" "control" "contaminants" by constantly" "filtering" the https://unidirectional-airflow-c220777.wikimeglio.com/10718602/airflow_and_ventilation_the_foundation_of_cleanroom_purity