What is an oxygen mask?

‌‌An oxygen mask is a device that transfers oxygen from a tank to the human lungs. An oxygen mask can cover the nose and mouth (oral nasal mask) or the entire face (full face mask). It can increase the oxygen content in the inhaled air, help prevent the re-inhalation of carbon dioxide, and allow the gas to be humidified to reduce mucous membrane dryness. It plays an important role in ensuring human health and protecting the safety of pilots and airline passengers.

‌Oxygen masks of different types and application scenarios‌:

Medical oxygen masks‌: Mainly used for medical assistance, such as the treatment of diseases such as angina pectoris and asthma.

‌Civil aviation oxygen masks‌: Used to ensure the safety of passengers and crew members during the flight of the aircraft.

‌Oxygen masks used by fighter pilots‌: Used for oxygen supply needs during high-altitude combat, cabin depressurization, and emergency departure.

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