Ключевые слова: alarm, alert, button, camera, cctv, ceiling, control, danger, detector, device, digital, domestic, drawing, electronic, emergency, engineering, equipment, fire, hand, home, house, household, isolated, male, modern, monitoring, office, people, person, plan, prevention, professional, protect, protection, rescue, safe, safety, secure, security, sensor, sketch, smoke, sound, surveillance, symbol, system, technology, test, tool, white,