Cases of device and capsule use of ventilator device

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Every minute, human lungs are emptied 12 times during inhalation and filled 14 to 16 times during exhalation. Humans need oxygen and proper air to continue their life and health. The air we breathe contains more than 78% nitrogen and 21 % is oxygen.An oxygen generator is one of the https://bit.ly/3nAP8dj


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