"Proper" airflow and "aeration" are absolutely" "essential" to "preserving" the "required" level of "purity" within a "sterile area". The "design" must "meticulously" "control" "dust" by "repeatedly" "filtering" the air" and "eliminating" introduced" "debris". This process" relies on a thoughtful" "ratio" of "incoming" and "outlet" airflow, "avoidi