Ключевые слова:
Radio links, Maintenance, Marking, Frequencies, Grades (quality), Fire safety, Alarm systems, Instructions for use, Smoke detectors, Fire risks, Domestic, Indicator lights, Position, Remote control systems, Buildings, Electric wiring systems, Design, Domestic facilities, Fire alarms, Fire detectors, Fire safety in buildings, Risk assessment, Audibility, Control equipment, Hearing defects, Communication equipment, Installation