About eight inches long and shaped like a fire extinquisher, the metal cannisters are the unseen, business end of the emergency oxygen system demonstrated at the beginning of every flight : " Pull the mask down and use the strap to secure it over your nose and mouth ."
How to say emergency oxygen system in Hindi and what is the meaning of emergency oxygen system in Hindi? emergency oxygen system Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
