Cpr Shiled-ပါးစပ်မှ ပါးစပ်သို့

အသုံးပြုနည်း
Keep the respiratory tract breathing clear when sick or wounded.the mouth in the middle of the respiratory membrane into the victim is mouth,blow on the wounded from the other side.check valve with plastic mouth strap,it prevents the injured person is exhaled air from entering the rescuers mouths.