Ключевые слова: aid, ambulance, black, cardiac, cardiopulmonary, cardiopulmonary resuscitation, chest, chest compression, demonstrating, demonstration, doctor, dummy, emergency, first, first aid, hand, health, heart, helping, horizontal, illness, injured, instruction, instructions, instructor, intensive care, isolated, kneeling, life, lifeguard, lifesaving, mannequin, massage, massaging, medical, medical equipment, medicine, paramedic, patient, practice, pushing, reanimation, respiratory, resuscitation, training,