Ключевые слова: accident, aid, assistance, background, blue, business, care, concept, danger, doctor, emergency, equipment, fire, firefighter, health, healthcare, help, insurance, isolated, life, male, man, medical, medicine, nature, ocean, people, person, protection, red, rescue, safe, safety, save, sea, security, service, sign, sky, summer, symbol, technology, transport, transportation, travel, uniform, vehicle, water, white, work,