Oxygen Mask 05
Oxygen Mask 05 :
An oxygen mask provides a method to transfer breathing oxygen gas from a storage tank to the lungs. Oxygen masks may cover the nose and mouth (oral nasal mask) or the entire face (full-face mask). They may be made of plastic,silicone, or rubber. Note: In certain circumstances, oxygen may be delivered via a nasal cannula instead of a mask; cannulas are described in a separate article
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