9 COMPONENTS AND PARTS FOR ELECTRICALLY OPERATED PROTECTIVE SYSTEMS, VISIBLE ANDAUDIBLE AND COMBINATIONS OF BOTH, FOR DETECTIVE FIRE, BURGLARY, AND HOLDUP
37 INSPECTING AND REPAIRING ELECTRICALLY OPERATED PROTECTIVE SYSTEMS, VISIBLE ANDAUDIBLE, AND COMBINATIONS OF BOTH, FOR DETECTING FIRE, BURLARY, AND HOLDUP
42 MONITORING ELECTRICALLY OPERATED PROTECTIVE SYSTEMS, VISIBLE AND AUDIBLE,AND COMBINATIONS OF BOTH, FOR DETECTING FIRE, BURGLARY, AND HOLDUP