Ключевые слова: accident, alarm, alert, ambulance, arrest, attention, background, beacon, bulb, button, care, caution, concept, danger, design, emergency, equipment, evacuation, fire, flat, glowing, graphic, health, help, hospital, icon, illuminate, isolated, light, medical, medicine, police, protection, red, rescue, safety, security, service, sign, signal, siren, support, symbol, traffic, urgency, urgent, warn, warning, white,