Domanda 254, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Protect The Flight Crew And Cabin Attendants Against Fumes And Noxious Gases.
Give medical assistance to passengers with pathological respiratory disorders.
Protect certain passengers, and is only carried on board for these people.
Protect All The Occupants Against The Effects Of Accidental Depressurisation.