"Adequate" airflow and "exhaust" are absolutely" "vital" to "ensuring" the "specified" level of "sterility" within a "controlled environment". The "design" must "precisely" "regulate" "contaminants" by "continuously" https://whycleanroomventilationm466848.bimmwiki.com/11889770/airflow_and_ventilation_the_foundation_of_cleanroom_purity