37 Services of electricians; computer hardware and telecommunication apparatus installation, maintenance and repair; repair of energy supply installations; installation services of regulators [parts of machines]; installation services of control mechanisms for machines, engines or motors; installation services of generators of electricity; installation services of machines and machine tools for treatment of materials and for manufacturing; installation services of steam engines; installation services of steam engine boilers for power generation, other than for land vehicles; installation services of crushing machines; installation services of mills and crushing machines; installation services of mills [machines]; installation services of sifters; installation services of sorting machines for industry; installation services of conveyors and conveyors belts; installation services of conveyors; installation services of belts for conveyors; installation services relating to: conveyors; installation services of conveyors [machines]; installation services of rolling [conveying] machines; installation services of automatic conveyor installations; installation services of assembly line conveyor machinery; installation services of spiral conveyors [machines]; installation services of woodworking machines; installation services of machine tools for woodworking machines; installation services of woodworking machines; installation services of industrial robots; installation services of material production and processing machines; installation services of moving and handling equipment; installation services of process control units [mechanical]; installation services of process control instruments [mechanical]; installation services of machine tools; installation services of bucket conveyors; installation services of archimedian screws; installation services of blowing machines; installation services of mills [machines]; installation services of impact grinding crushers; installation services relating to: ball mills; installation services of pulping machines; installation services of injection moulding machines; installation services of briquetting machines; installation services of sifting machines; installation services of cyclones; installation services of disintegrators; installation services of extracting machines; installation services of hammers [parts of machines]; installation services of power operated tools; installation services of motors, other than for land vehicles; installation services of propulsion mechanisms, other than for land vehicles; installation services of power transmission couplings [other than for land vehicles]; installation services of transmission components (except for land vehicles); installation services of agricultural implements other than hand operated hand tools; installation services of lifting and hoisting equipment, elevators and escalators; installation services of attrition machines for cleaning; installation services of sweeping, cleaning, washing and laundering machines; installation services relating to: exterior clearing and cleaning machines; installation services of separating machines; installation services of filtering machines, separators and centrifuges; installation services of agricultural, earthmoving, construction, oil and gas extraction and mining equipment; installation services of sifting installations; installation services relating to: strainers [electric]; installation services of screening machines; installation services of sieves [machines or parts of machines]; installation services of bonding machines; installation services of mixing machines; installation services of contacting machines [mixing machines]; installation services of industrial mixing machines; installation services of shaping and moulding machines; installation services of foundry machines; installation services of metal production machines; installation services of cast iron parts for pipes [parts of machines]; installation services of spraying machines; installation services of dispensing machines; installation services of automatic dispensing machines; installation services of mechanical mixing machines; installation services of blending machines for chemical processing; installation services of vacuum pumps [machines]; installation services of vacuum packaging machines; installation services of vacuum packaging machines; installation services of machines for grinding [electric]; repair and maintenance of regulators [parts of machines]; repair and maintenance of control mechanisms for machines, engines or motors; repair and maintenance of generators of electricity; repair and maintenance of machines and machine tools for treatment of materials and for manufacturing; repair and maintenance of steam engines; repair and maintenance of steam engine boilers for power generation, other than for land vehicles; repair and maintenance of crushing machines; repair and maintenance of mills and crushing machines; repair and maintenance of mills [machines]; repair and maintenance of sifters; repair and maintenance of sorting machines for industry; repair and maintenance of conveyors and conveyors belts; repair and maintenance of conveyors; repair and maintenance of belts for conveyors; repair and maintenance of conveyors; repair and maintenance of conveyors [machines]; repair and maintenance of rolling [conveying] machines; repair and maintenance of automatic conveyor installations; repair and maintenance of assembly line conveyor machinery; repair and maintenance of spiral conveyors [machines]; repair and maintenance of woodworking machines; repair and maintenance of machine tools for woodworking machines; repair and maintenance of woodworking machines; repair and maintenance of industrial robots; repair and maintenance of material production and processing machines; repair and maintenance of moving and handling equipment; repair and maintenance of process control units [mechanical]; repair and maintenance of process control instruments [mechanical]; repair and maintenance of machine tools; repair and maintenance of bucket conveyors; repair and maintenance of archimedian screws; repair and maintenance of blowing machines; repair and maintenance of mills [machines]; repair and maintenance of impact grinding crushers; repair and maintenance of ball mills; repair and maintenance of pulping machines; repair and maintenance of injection moulding machines; repair and maintenance of briquetting machines; repair and maintenance of sifting machines; repair and maintenance of cyclones; repair and maintenance of disintegrators; repair and maintenance of extracting machines; repair and maintenance of hammers [parts of machines]; repair and maintenance of power operated tools; repair and maintenance of motors, other than for land vehicles; repair and maintenance of propulsion mechanisms, other than for land vehicles; repair and maintenance of power transmission couplings [other than for land vehicles]; repair and maintenance of transmission components (except for land vehicles); repair and maintenance of agricultural implements other than hand operated hand tools; repair and maintenance of lifting and hoisting equipment, elevators and escalators; repair and maintenance of attrition machines for cleaning; repair and maintenance of sweeping, cleaning, washing and laundering machines; repair and maintenance of exterior clearing and cleaning machines; repair and maintenance of separating machines; repair and maintenance of filtering machines, separators and centrifuges; repair and maintenance of agricultural, earthmoving, construction, oil and gas extraction and mining equipment; repair and maintenance of sifting installations; repair and maintenance of strainers [electric]; repair and maintenance of screening machines; repair and maintenance of sieves [machines or parts of machines]; repair and maintenance of bonding machines; repair and maintenance of mixing machines; repair and maintenance of contacting machines [mixing machines]; repair and maintenance of industrial mixing machines; repair and maintenance of shaping and moulding machines; repair and maintenance of foundry machines; repair and maintenance of metal production machines; repair and maintenance of cast iron parts for pipes [parts of machines]; repair and maintenance of spraying machines; repair and maintenance of dispensing machines; repair and maintenance of automatic dispensing machines; repair and maintenance of mechanical mixing machines; repair and maintenance of blending machines for chemical processing; maintenance and repair of vacuum pumps; repair and maintenance of vacuum packaging machines; repair and maintenance of vacuum packaging machines; repair and maintenance of machines for grinding [electric]; installation services relating to the modernization, installation, maintenance and repair of industrial installations and machine plants; installation services relating to the modernization, installation, maintenance and repair of industrial installations and machine plants for use in the crushing technology; installation services of clack valves [parts of machines]; installation services of wheels and tracks for machines; installation services of apparatus, instruments and cables for electricity; installation services of apparatus and instruments for accumulating and storing electricity; installation services of apparatus and instruments for controlling electricity; installation services of electric and electronic components; installation services of electrical circuits and circuit boards; installation services of electric cables and wires; installation services of electrical switch cabinets; installation services of electronic controllers; installation services relating to: measuring, detecting, monitoring and controlling devices; installation services relating to: controllers and regulators; installation services of transformers [electricity]; installation services relating to: apparatus and instruments for switching the use of electricity; installation services relating to: apparatus and instruments for switching the distribution of electricity; installation services of electric apparatus for commutation; installation services of repeaters; installation services of electronic amplifiers; installation services of signal convertors; installation services of communications equipment; installation services of information technology and audio-visual, multimedia and photographic devices; installation services of electronic regulators; installation services relating to: electrical controllers; installation services of plugboards; installation services of distribution amplifiers; installation services of electrical distributors; installation services of distribution boards [electricity]; installation services of measuring apparatus; installation services of electronic meters; installation services of electric control apparatus; installation services of electric control apparatus; installation services of testing devices for electronic parts; installation services of electric power distribution apparatus; installation of computer hardware for database management; installation services of physical analysing apparatus [other than for medical use]; installation services of closed circuit television cameras; installation services of monitoring units [electric]; installation services of monitoring control apparatus [electric]; installation services of video cameras adapted for monitoring purposes; installation services relating to: checking (supervision) apparatus and instruments; installation services of monitoring instruments; installation services relating to: sensors for monitoring physical movements; installation services of monitoring apparatus, other than for medical purposes; installation services relating to: sensors, detectors and monitoring instruments; installation services relating to: industrial automation controls; installation services of process monitors; installation services of process controlling apparatus [electric]; installation services of process controlling apparatus [electronic]; installation services of process control digital controllers; installation services of process controllers [electric]; installation services relating to: process controlling apparatus [electric]; installation services of process controlling apparatus [electronic]; installation services of process controlling apparatus [electronic]; installation services of process controlling apparatus [electronic]; installation services of process controlling apparatus [electronic]; installation services of navigation, guidance, tracking, targeting and map making devices; installation services of data storage devices and multimedia devices; installation services of data processing equipment and accessories (electrical and mechanical); installation services of signal cables for it, av and telecommunication; installation services of computer networking and data communications equipment; installation services of point-to-point communications equipment; installation services of computers and computer hardware; installation services relating to: sensors; installation services of electric sensors; installation services of optical sensors; installation services of sensors for use with machine tools; installation services of sensor controllers; installation services of sensors for measuring instruments; installation services of sensors used in plant control; installation services of sensors for determining position; installation services relating to: internet of things [IoT] sensors; installation services of network communication apparatus; installation services of local area networks; installation services of telecommunications apparatus for use with mobile networks; installation services relating to: smart manufacturing system controls; installation services relating to: operating systems; installation services relating to: computer hardware for remotely accessing and transmitting data; installation services of computer hardware for cloud servers; installation services of automatic control apparatus; installation services of automatic control apparatus; installation services of control installations (electric -); installation services of electric control apparatus; installation services of electric control apparatus; installation services of electronic control units; installation services of electronic control instruments; installation services of electronic control systems; installation services of programmable controllers; installation services of photographic apparatus and instruments; installation services of cinematographic machines and apparatus; installation services of optical apparatus and instruments; installation services of weighing apparatus and instruments; installation services of nautical apparatus and instruments; installation services of surveying apparatus and instruments; installation services of measuring apparatus and instruments; installation services of signalling apparatus and instruments; installation services of life-saving apparatus and instruments; installation services relating to: apparatus and instruments for accumulating electricity; installation services relating to: apparatus and instruments for switching electricity; installation services relating to: apparatus and instruments for transforming electricity; installation services relating to: apparatus and instruments for regulating electricity; installation services relating to: apparatus and instruments for conducting electricity; installation services of sound transmitting apparatus; installation services of apparatus for the transmission of images; installation services of apparatus for the reproduction of images; installation services of sound reproduction apparatus; installation services of apparatus for recording images; installation services of sound recording apparatus; installation services of downloadable devices; installation services of coin-operated mechanisms; installation services of cash registers; installation services relating to: calculating devices; installation services of computers; installation services of peripherals adapted for use with computers; installation services of diving suits; installation services of fire extinguishers; installation services of drying installations; installation services of industrial drying installations; installation services of drying installations; installation services of burners, boilers and heaters; installation services of burners; installation services of burners for solid fuel; installation services of burners for industrial use; installation services of stoves [heating apparatus]; installation services of furnaces for industrial use; installation services relating to: biogas stoves; installation services of ventilating fans; installation services of heating, ventilating, and air conditioning and purification equipment (ambient); repair and maintenance of clack valves [parts of machines]; repair and maintenance of wheels and tracks for machines; repair and maintenance of apparatus, instruments and cables for electricity; repair and maintenance of apparatus and instruments for accumulating and storing electricity; repair and maintenance of apparatus and instruments for controlling electricity; repair and maintenance of electric and electronic components; repair and maintenance of electrical circuits and circuit boards; repair and maintenance of electric cables and wires; repair and maintenance of electrical switch cabinets; repair and maintenance of electronic controllers; repair and maintenance of measuring, detecting, monitoring and controlling devices; repair and maintenance of controllers and regulators; repair and maintenance of transformers [electricity]; repair and maintenance of apparatus and instruments for switching the use of electricity; repair and maintenance of apparatus and instruments for switching the distribution of electricity; repair and maintenance of electric apparatus for commutation; repair and maintenance of repeaters; repair and maintenance of electronic amplifiers; repair and maintenance of signal convertors; repair and maintenance of communications equipment; repair and maintenance of information technology and audio-visual, multimedia and photographic devices; repair and maintenance of electronic regulators; repair and maintenance of electrical controllers; repair and maintenance of plugboards; repair and maintenance of distribution amplifiers; repair and maintenance of electrical distributors; repair and maintenance of distribution boards [electricity]; repair and maintenance of measuring apparatus; repair and maintenance of electronic meters; repair and maintenance of electric control apparatus; repair and maintenance of electric control apparatus; repair and maintenance of testing devices for electronic parts; repair and maintenance of electric power distribution apparatus; repair and maintenance of computer hardware for database management; repair and maintenance of physical analysing apparatus [other than for medical use]; repair and maintenance of closed circuit television cameras; repair and maintenance of monitoring units [electric]; repair and maintenance of monitoring control apparatus [electric]; repair and maintenance of video cameras adapted for monitoring purposes; repair and maintenance of checking (supervision) apparatus and instruments; repair and maintenance of monitoring instruments; repair and maintenance of sensors for monitoring physical movements; repair and maintenance of monitoring apparatus, other than for medical purposes; repair and maintenance of sensors, detectors and monitoring instruments; repair and maintenance of industrial automation controls; repair and maintenance of process monitors; repair and maintenance of process controlling apparatus [electric]; repair and maintenance of process controlling apparatus [electronic]; repair and maintenance of process control digital controllers; repair and maintenance of process controllers [electric]; repair and maintenance of process controlling apparatus [electric]; repair and maintenance of process controlling apparatus [electronic]; repair and maintenance of process controlling apparatus [electronic]; repair and maintenance of process controlling apparatus [electronic]; repair and maintenance of process controlling apparatus [electronic]; repair and maintenance of navigation, guidance, tracking, targeting and map making devices; repair and maintenance of data storage devices and media; repair and maintenance of data processing equipment and accessories (electrical and mechanical); repair and maintenance of signal cables for it, av and telecommunication; repair and maintenance of computer networking and data communications equipment; repair and maintenance of point-to-point communications equipment; repair and maintenance of computers and computer hardware; repair and maintenance of sensors; repair and maintenance of electric sensors; repair and maintenance of optical sensors; repair and maintenance of sensors for use with machine tools; repair and maintenance of sensor controllers; repair and maintenance of sensors for measuring instruments; repair and maintenance of sensors used in plant control; repair and maintenance of sensors for determining position; repair and maintenance of internet of things [IoT] sensors; repair and maintenance of network communication apparatus; repair and maintenance of local area networks; repair and maintenance of telecommunications apparatus for use with mobile networks; repair and maintenance of smart manufacturing system controls; repair and maintenance of operating systems; repair and maintenance of computer hardware for remotely accessing and transmitting data; repair and maintenance of computer hardware for cloud servers; repair and maintenance of automatic control apparatus; repair and maintenance of automatic control apparatus; repair and maintenance of control installations (electric -); repair and maintenance of electric control apparatus; repair and maintenance of electric control apparatus; repair and maintenance of electronic control units; repair and maintenance of electronic control instruments; repair and maintenance of electronic control systems; repair and maintenance of programmable controllers; repair and maintenance of photographic apparatus and instruments; repair and maintenance of cinematographic machines and apparatus; repair and maintenance of optical apparatus and instruments; repair and maintenance of weighing apparatus and instruments; repair and maintenance of nautical apparatus and instruments; repair and maintenance of surveying apparatus and instruments; repair and maintenance of measuring apparatus and instruments; repair and maintenance of signalling apparatus and instruments; repair and maintenance of life-saving apparatus and instruments; repair and maintenance of apparatus and instruments for accumulating electricity; repair and maintenance of apparatus and instruments for switching electricity; repair and maintenance of apparatus and instruments for transforming electricity; repair and maintenance of apparatus and instruments for regulating electricity; repair and maintenance of apparatus and instruments for conducting electricity; repair and maintenance of sound transmitting apparatus; repair and maintenance of apparatus for the transmission of images; repair and maintenance of apparatus for the reproduction of images; repair and maintenance of sound reproduction apparatus; repair and maintenance of apparatus for recording images; repair and maintenance of sound recording apparatus; repair and maintenance of downloadable devices; repair and maintenance of coin-operated mechanisms; repair and maintenance of cash registers; repair and maintenance of calculating devices; repair and maintenance of computers; repair and maintenance of peripherals adapted for use with computers; repair and maintenance of fire extinguishers; repair and maintenance of drying installations; repair and maintenance of industrial drying installations; repair and maintenance of drying installations; repair and maintenance of burners, boilers and heaters; repair and maintenance of burners; repair and maintenance of burners for solid fuel; repair and maintenance of burners for industrial use; repair and maintenance of stoves [heating apparatus]; repair and maintenance of furnaces for industrial use; repair and maintenance of biogas stoves; repair and maintenance of ventilating fans; repair and maintenance of heating, ventilating, and air conditioning and purification equipment (ambient); installation services of pressing machines; installation services of industrial machine presses; installation services of mechanical presses [for metalworking]; installation services of hydraulic presses [for metalworking]; installation services of presses [machines for industrial purposes]; repair and maintenance of pressing machines; repair and maintenance of industrial machine presses; repair and maintenance of mechanical presses [for metalworking]; repair and maintenance of hydraulic presses [for metalworking]; repair and maintenance of presses [machines for industrial purposes]; installation services of spreading machines; repair and maintenance of spreading machines; installation services relating to: scatterers; repair and maintenance of scatterers; installation services relating to: forming lines; repair and maintenance of forming lines