6
Transportable buildings or rooms of metal; Pipes and tubes of metal; Pipes, tubes and hoses, and fittings therefor, including valves, of metal; Nuts, bolts and fasteners, of metal
7
Valves; Heat exchangers [parts of machines]; Gas operated power generators; Separators for liquids; Industrial cleaning machines
9
Water meters; Heat regulating apparatus; glow modulators; Inverters for power supply; Electric control devices for energy management; Temperature measuring instruments; Temperature controlling apparatus; Temperature measuring apparatus for industrial use
11
Heating installations; Heat regenerators; Thermal incineration installations; Heat pumps for energy processing; Boiler pipes [tubes] for heating installations; Heat exchangers for central heating purposes; heat exchangers, other than parts of machines; Ventilators for heat exchangers; Gas fired water heaters; Water supply installations; Hot water boilers; Hot water apparatus; Hot water cylinders; Hot water installations; Cooling installations
35
Retailing and wholesaling (including via the internet and other communications networks) relating to the sale of Transportable buildings or rooms of metal; Pipes and tubes of metal; Pipes, tubes and hoses, and fittings therefor, including valves, of metal; Nuts, bolts and fasteners, of metal; Valves; Heat exchangers [parts of machines]; Gas operated power generators; Separators for liquids; Industrial cleaning machines; Water meters; Heat regulating apparatus; glow modulators; Inverters for power supply; Electric control devices for energy management; Temperature measuring instruments; Temperature controlling apparatus; Temperature measuring apparatus for industrial use; Heating installations; Heat regenerators; Thermal incineration installations; Heat pumps for energy processing; Boiler pipes [tubes] for heating installations; Heat exchangers for central heating purposes; heat exchangers, other than parts of machines; Ventilators for heat exchangers; Gas fired water heaters; Water supply installations; Hot water boilers; Hot water apparatus; Hot water cylinders; Hot water installations; Cooling installations
37
Installation of central heating apparatus; Installation of boilers; Pipe installation services; Installation of water pipes; Building construction; Repair/maintenance in the field of heating, ventilation and air conditioning (HVAC), energy and process systems and installation services in the aforesaid fields
42
Advisory services relating to the use of energy; Advisory services relating to energy efficiency