| 37 |
installation, maintenance and repair of HVAC [heating, ventilation and air conditioning] systems |
| 37 |
installation, maintenance and repair of LED lighting apparatus |
| 37 |
installation, maintenance and repair of air analysis apparatus |
| 37 |
installation, maintenance and repair of air blowers |
| 37 |
installation, maintenance and repair of air filters |
| 37 |
installation, maintenance and repair of air freshening apparatus |
| 37 |
installation, maintenance and repair of air pumps |
| 37 |
installation, maintenance and repair of air purifying apparatus |
| 37 |
installation, maintenance and repair of air-conditioning apparatus |
| 37 |
installation, maintenance and repair of air-conditioning systems |
| 37 |
installation, maintenance and repair of air-cooled compressors and heat exchanger pumps |
| 37 |
installation, maintenance and repair of air-cooled heat exchangers |
| 37 |
installation, maintenance and repair of alternators |
| 37 |
installation, maintenance and repair of anemometers |
| 37 |
installation, maintenance and repair of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity |
| 37 |
installation, maintenance and repair of apparatus for authentication of documents |
| 37 |
installation, maintenance and repair of apparatus for checking the authenticity of banknotes |
| 37 |
installation, maintenance and repair of apparatus for conveying goods |
| 37 |
installation, maintenance and repair of apparatus for distributing electricity |
| 37 |
installation, maintenance and repair of apparatus for generating electricity |
| 37 |
installation, maintenance and repair of apparatus for generating power |
| 37 |
installation, maintenance and repair of apparatus for heating, purifying air, refrigerating, drying, ventilating, temperature control and air-conditioning |
| 37 |
installation, maintenance and repair of apparatus for processing metals |
| 37 |
installation, maintenance and repair of apparatus for supplying electricity |
| 37 |
installation, maintenance and repair of apparatus for supplying gas |
| 37 |
installation, maintenance and repair of automated teller machines |
| 37 |
installation, maintenance and repair of automatic apparatus for opening and closing fanlights |
| 37 |
installation, maintenance and repair of automatic apparatus for opening and closing skylights |
| 37 |
installation, maintenance and repair of automatic apparatus for opening and closing ventilation flaps |
| 37 |
installation, maintenance and repair of automatic apparatus for opening and closing windows |
| 37 |
installation, maintenance and repair of automatic apparatus for opening and closing windows, fanlights, skylights and ventilation flaps |
| 37 |
installation, maintenance and repair of automatic doors and barriers |
| 37 |
installation, maintenance and repair of automatic doors and gates |
| 37 |
installation, maintenance and repair of automatic emergency exits |
| 37 |
installation, maintenance and repair of automatic teller machines |
| 37 |
installation, maintenance and repair of automation systems |
| 37 |
installation, maintenance and repair of ballast apparatus for ships |
| 37 |
installation, maintenance and repair of batteries and accumulators |
| 37 |
installation, maintenance and repair of blow molding machines |
| 37 |
installation, maintenance and repair of blow moulding machines |
| 37 |
installation, maintenance and repair of blowers |
| 37 |
installation, maintenance and repair of boiler systems |
| 37 |
installation, maintenance and repair of boiler systems and solar energy systems |
| 37 |
installation, maintenance and repair of broadcasting apparatus |
| 37 |
installation, maintenance and repair of building automation equipment |
| 37 |
installation, maintenance and repair of burglar alarm devices |
| 37 |
installation, maintenance and repair of burglar alarms |
| 37 |
installation, maintenance and repair of carburant distribution equipment |
| 37 |
installation, maintenance and repair of carburant pumps |
| 37 |
installation, maintenance and repair of card readers |
