Keywords:
Fire detectors, Installation, Fire alarms, Languages, Information exchange, Electric cables, Circuits, Electric power systems, Inspection, Microphones, Messages, Conformity, Defects, Audibility, Safety measures, Fire safety, Automatic, Classification systems, Mathematical calculations, Buildings, Design, Amplifiers, Computer programs, Interference suppression, Loudspeakers, Visual signals, Flashing lights, Life (durability), Colour, Control equipment, Speech transmission systems, Signal devices, Position, Maintenance, Interfaces, Commissioning, Alarm systems, Noise (environmental), Fire safety in buildings, Electric wiring systems, Access, Planning