Ключевые слова: alarm, arrow, building, business, cctv, concept, control, danger, design, direction, door, doorway, electronic, emergency, equipment, escape, evacuation, exit, extinguisher, fire, guard, hotel, interior, light, monitor, monitoring, office, open, people, private, property, protect, protection, record, safe, safety, secure, security, security camera, security systems, sign, spy, surveillance, system, technology, urban, video, warning, watch, way,