[Class : 37] Installation Of Hvac Systems, Installation, Maintenance, Cleaning And Repair Of Heating, Ventilation And Air Conditioning [Hvac] Systems, Installation And Repair Of Apparatus For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply And Sanitary Purposes, Servicing Of Industrial Boilers, Dismantling Of Industrial Equipment/Of Industrial Plant/ Of Industrial Machinery; Installation, Maintenance And Repair Of Inverters, Batteries And Electrical Connection Apparatus For And Of Solar Energy Systems, Advisory Services Relating To The Maintenance, Repair And Renovation Of Buildings And Other Structures, Advisory Services Relating To The Installation Of Motors/To The Installation Of Engines/The Repair Of Environmental Control Systems, Assembling [Installation] Of Machine Plant, Battery Charging Services Including For Vehicles/ Motor Vehicles, Electric Appliance Installation And Repair, Installation And Maintenance Of Fire Alarm, Detection And Suppression Systems, Installation And Maintenance Of Illuminating Apparatus, Installation And Maintenance Of Transmission And Broadcasting Equipment, Apparatus And Instruments, Installation, Maintenance, Servicing And Repair Of: Energy And Power Generating Apparatus, Equipment And Installations/Of Household Apparatus And Appliances/Of Automation Systems/Of Electrical Drives And Drive Systems For Machines/Of Compressors, Air Pumps And Vacuum Pumps/Of Air Blowers/Air Filters/Alternators/Pressure Regulators And Oil Separators/Of Hydraulic Systems For Machinery/Of Industrial Machinery And Manufacturing Plants/Of Measuring, Signalling And Monitoring Apparatus And Instruments/Of Kitchen Equipment/Of Electrical And Electronic Measuring And Testing Apparatus And Instruments, Installation Of Air Conditioning Control Systems, Retrofitting Of Heating, Ventilating And Air Conditioning Installations In Buildings, Repair Or Maintenance Of Machines And Apparatus For Processing Food Or Beverages, Repair Or Maintenance Of Textile Machines And Apparatus, Repair Of Energy Production Plants And Machines, Installation Of Computerized Information Systems, Wiring Services For Telecommunications, Computer Support Services Being Installation, Repair And Maintenance Of Computer Hardware And Peripherals, Consultancy Relating To The Maintenance Of Computer Hardware,Technical Support Services, Namely, Troubleshooting In The Nature Of Computer Hardware Repair And Maintenance.