Ключевые слова: 911, alarm, alert, ambulance, attention, background, bell, black, button, call, contact, danger, design, element, emergency, fire, flat, graphic, help, hospital, icon, illustration, internet, isolated, location, logo, mark, marker, mobile, number, phone, rescue, safety, salvation, save, security, service, sign, sos, support, symbol, telephone, text, urgency, warning, website, white, yellow,