Ключевые слова: aid, cardio, cardiology, care, concept, course, cpr, crowd, customer, demonstrating, donate, emergency, first, gloves, group, hand, hands, health, heart, hearts, help, holding, human, insurance, learning, life, lifeline, medical, men, network, people, protective, red, respect, resuscitation, round, save, saving, seminar, support, teach, teamwork, training, treat, treatment, violet, women, work, young,