Follows the employees of airlines companies who have signed a contract with AZT, an illegal medication in many countries at this moment, fearing that it will be the only solution available for diagnosis.氧(🔆)气面罩(不会)自动落下氧(🔟)气面罩(不会(🗾))自动落下氧气面罩(不(🌿)会)自动(🚽)落下