child's life, and this will affect the quality of the educational process. classes for young colleagues were taught by experienced teachers of the subject of national defense. according to the organizers, they plan to expand similar training to other school employees later, because in addition to the dangers, a child may need help from a bite in the institution. aspen, tick, during bleeding and even cardiopulmonary resuscitation. there are sensors, these little green buttons, but if there are little green buttons , both of them light up, respectively, you will see that you are doing this indirect heart massage correctly, that is, the depth is appropriate and the frequency, the frequency is 100-120 pressures per minute, the depth is for an adult , it is approximately 5-6 cm, why approximately, because all people are different in physique, so to be precise, it is 1/3 of the thickness of a person's body, knowledge of variable and fire safety, as well as the ability to use fire extinguishers, will not be superfluous for teachers. in general, a fire extinguisher is very necessary in our lives, it is also in every car, because now we see that many cars even catch fire right on the move, you need to know how to put out this fire