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  Finger plates, metal, for doors
  Smoke and flame detectors for boilers and furnaces
  Smoke emission detectors, environmental
  Detectors, steam leak
  Detectors, heat or smoke, for fire control systems
  Metal detectors, walk through
  Explosives detection equipment
  Fog detection and warning systems
  Electric power-on indicators
  Letter mail screening/detection devices, electronic
  Warning lights for telephones
  Freight container tracking and monitoring systems
  Fire alarm systems, automatic
  Fire alarm systems, multiplexed, with computer terminal
  Fire alarm systems, radio controlled
  Fire alarm systems, analog, intelligent
  Fire alarm systems, manual
  Alarm equipment, acoustic, for fire stations
  Fire alarm control panels
  Security devices, movement sensing
  Emergency break-glass units
  Alarm sounding equipment, electronic
  Temperature alarm systems
  Safety and alarm equipment for ships
  Alarms, personal and personnel attack
  Alarm systems for showrooms, shops and museums
  Alarm systems, agricultural
  Alarms, acoustic, for electronic equipment
  Alarm and broadcasting systems for noisy environments
  Alarms, visual, for intruder detection systems
  Alarms, acoustic, for intruder detection systems
  Anti-theft alarm systems, acoustic, for vehicles
  Alarm systems, intrinsically safe, hazardous area
  Alarm systems, acoustic, for banks
  Alarms, acoustic, short-circuit and overvoltage
  Tool breakage alarms for machine tools
  Alarms, occupational safety exposure limits
  Alarms, voice activated
  Gas alarm systems, residential and commercial
  Alarms, swimming pool
  Flood warning systems, automatic
  Frost warning systems, acoustic
  Warning systems, pneumatic
  Electronic article surveillance (EAS) systems, acousto-magnetic
  Electronic article surveillance (EAS) systems, electromagnetic
  Electronic article surveillance (EAS) systems, radio frequency (RF)
  Traffic-light systems, vehicle controlled
  Transmitters and detectors, electric, for locating avalanche victims
  Signalling equipment for firing ranges
  Signalling discs, police
  Alerting systems for security and emergency services
  Warning devices, emergency, voice synthesis