"Adequate" airflow and "exhaust" are absolutely" "essential" to "preserving" the "specified" level of cleanliness" within a "sterile area". The "design" must "meticulously" "regulate" particles" by constantly" https://cleanroomventilationguid684073.blgwiki.com/2406826/airflow_and_ventilation_the_foundation_of_cleanroom_purity