7
Compressors [machines]; Sealing joints [parts of machines]; Mechanical seals [machine parts]; Joints for tubes (metal -) [parts of machines]; Valves [parts of machines]; Bearings [parts of machines]; Slide bearings; Gears, other than for land vehicles; Planetary gear motors; Gear motors other than for land vehicles; Hydraulic actuators; Rotary actuators; Actuators for valves; Actuators for mechanisms; Electrical engines, other than for land vehicles; Current generators; Venturi scrubbers; Motorised fans for machines; Heat exchangers [parts of machines]; Heat insulated metal piping elements [parts of machines]; Catalytic converters; Heat recovery devices [parts of machines]; Waste gas conduits [parts of machines]; Filters [parts of machines or engines]; Printing cylinders; Pumps [machines]; Exhaust silencers; Gas turbines; Sewage pulverizers; Spraying machines; Powder handling apparatus [machines]; Turbogenerators; Vibrating separators [machines]; Separators for liquid solutions; Turbine vanes being parts of gas turbine engines
9
Measuring apparatus; Signalling apparatus; Measuring instruments; Heat regulating apparatus; Boiler control instruments; Optical measurement apparatus; Solenoid valves [electromagnetic switches]; Electric reactors; Pressure regulators; Commutators; Transmitters; Pressure gauges; High pressure manometers; Spring callipers; Range sensors; Thermocouples; Temperature indicators; Temperature switches; Thermometers; Infrared thermometers; Revolution counters; Vibration gauges; Vibration sensors for installation in wind mill housings; Flowmeters; Transformers [electricity]; Flame sensors; Flame monitors; Gas flow monitors; Fire detectors; Piezoelectric igniters; Electronic displays; Frequency transformers; Optical lenses; Electrical switch cabinets; Cables, electric; Sockets, plugs and other contacts [electric connections]; Software; Gas sensors; Process controlling software; Light dimmers [regulators], electric; Energy regulators; Thermal controls
11
Refrigerating apparatus; Steam generating apparatus; Air purifying apparatus and machines; Heating apparatus; Fans [air-conditioning]; Refrigerators; Air cooling apparatus; Air handlers; Air purifying apparatus; Air cleaning apparatus; Air humidifying installations; Gas purification installations; Air heating installations; Heat regenerators; Gas cleaners and purifiers; Water purification units; Water softening apparatus and installations; Lighting apparatus and installations; Heating apparatus and installations; Heat regulating devices [valves] being parts of heating installations; Heat accumulators; Storage heaters; Water regulating apparatus; Heat exchangers, other than parts of machines; Air filters; Dust filters; Water filters; Air filtering installations; Thermal incineration installations; Gas burners; Combustion chambers; Chimney extractors; Drying apparatus and installations; Air driers [dryers]; Dehumidifiers; Taps [cocks, spigots] [faucets (Am)] for pipes; Taps [faucets]; Flues and installations for conveying exhaust gases; Heat exchangers for the removal of condensate; Heat exchangers for the removal of exhaust gases; Evaporators; Separators for scrubbing gas
37
Repair of industrial furnaces; Servicing of industrial boilers; Servicing of pipelines; Maintenance and repair of engines; Maintenance and repair of pipes used in industrial equipment; Maintenance and repair of solid fuel boilers; Maintenance, servicing and repair of power generating apparatus and installations; Installation of apparatus for air-conditioning; Installation of security systems; Installation of communications network instruments; Installation of instrumentation systems; Installation of apparatus for ventilating; Installation of energy-saving apparatus; Installation of hydraulic equipment; Installation of environmental protection systems; Installation of plumbing; Installation of apparatus for heating; Installation of industrial plant; Installation of dust extraction apparatus; Installation of industrial machinery; Installation, repair and maintenance of steam condensers; Installation, repair and maintenance of air reheaters; Installation, repair and maintenance of boiler tubes; Installation of pipe systems for conducting of steam; Installation of pipe systems for conducting of liquids; Services for the repair of heat exchangers; Repair of turbines
42
Engineering services; Provision of surveys [scientific]; Conducting engineering surveys; Preparation of reports relating to scientific research; Surveying; Civil engineering planning services; Conducting technical project studies; Measurement services; Computer engineering consultancy services; Software creation; Computer software design; Software engineering; Technical design and planning of water purification plants; Environmental testing of exhaust emissions; Development of computer programs; Software development; Installation of computer software