"Effective" airflow and "exhaust" are "completely" "essential" to "ensuring" the "required" level of "sterility" within a "controlled environment". The "design" must "meticulously" manage" "dust" by "continuously" https://whycleanroomventilationm449901.blogoxo.com/42256229/airflow-and-ventilation-the-foundation-of-cleanroom-purity