First aid for drowning, blockages with earth, asphyxiation is carried out in several stages. At the first stage, the upper respiratory tract is cleaned of dirt, water is removed from the stomach and lungs, at the second stage, they start artificial respiration and indirect heart massage. With electrical injuries, first of all, it is necessary to turn off the switch, to discard the wire with a wooden object. When stopping breathing and cardiac activity, artificial respiration from mouth to mouth and indirect heart massage are used.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.