"Adequate" airflow and "exhaust" are absolutely" critical" to maintaining" the "required" level of cleanliness" within a "sterile area". The system" must carefully" "control" "dust" by constantly" "exchanging" the air" https://the-role-of-airflow-in-c537772.blogginaway.com/42647603/airflow-and-ventilation-the-foundation-of-cleanroom-purity