Ключевые слова: 911, alarm, alert, assist, blinker, blue, bollard, box, button, call, cam, camera, cctv, child, city, communication, contact, crime, danger, digital, emergency, europe, fire, flasher, help, lost, manual, old, phone, police, public, push, red, report, rescue, road, safety, security, service, sign, smart, sos, station, street, support, system, technology, telephone, town,