Installation, maintenance and repair of burglar alarms; Installation, maintenance and repair of fire alarms; Installation, maintenance and repair of fire and security alarms; Installation, maintenance and repair of fire, smoke and heat alarms; Providing information relating to the repair or maintenance of fire alarms; Repair or maintenance of integrated circuits manufacturing machines and systems; Installation of security systems; Advisory services relating to the installation of fire prevention equipment; Maintenance of intruder alarms; Installation, maintenance and repair of fire detection apparatus; Installation and maintenance of fire alarm, detection and suppression systems

'advisori':59 'alarm':7,14,23,33,44,72,86 'apparatus':80 'burglar':6 'circuit':50 'detect':79,87 'equip':68 'fire':13,20,29,43,66,78,85 'heat':32 'inform':35 'instal':1,8,15,24,55,64,73,81 'integr':49 'intrud':71 'machin':52 'mainten':2,9,16,25,41,47,69,74,83 'manufactur':51 'prevent':67 'provid':34 'relat':36,61 'repair':4,11,18,27,39,45,76 'secur':22,57 'servic':60 'smoke':30 'suppress':89 'system':54,58,90

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