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Oxygen

Posted by Syed Nayyar Uddin on November 14, 2011 in Health Matters

In a single day, a human being breathes oxygen equivalent to three cylinders. Each oxygen cylinder on an average costs Rs 700, so in a day one uses Oxygen worth Rs 2100 and for a full year worth Rs 7, 66,500. Considering 65 years as an average life span, the cost of oxygen we use […]

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