Its combustion is to be initiated and sustained all of the following elements must be present except

  1. the application of heal
  2. the presence of a fuel
  3. the elimination of carbon monoxide
  4. the availability of oxygen

اس دہن کو شروع کرنا ہے اور اسے برقرار رکھنا ہے ، سوائے مندرجہ ذیل تمام عناصر کو موجود ہونا ضروری ہے

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