37
Construction, repair, maintenance and installation services in the field of energy, energy supply, energy generating equipment, energy production and energy distribution; plumbing; cleaning services; services of a breakdown centre (maintenance and repair); installation, maintenance and repair especially of electrical installations, installations, apparatus and accessories especially electric, gas, (hot) water and heating installations, telecommunication installations and accessories, lighting installations and air conditioning installations; installation, maintenance and repair of cable networks; installation, maintenance and repair of distribution stations for energy delivery and heating and water supply installations; installation, maintenance and repair of energy recovery installations and machines; laying of cables and pipelines; technical consulting in connection with laying of networks and networks of cables; advice on the aforementioned services; aforementioned services to be provided in the context of carrying out technical projects in the field of energy management, re-use, recycling and treatment of waste and landfill gases; technical consulting regarding installing networks, repairing and maintaining networks; installation, maintenance and repair of high-voltage apparatus, high tension lines and cables for heavy currents
39
Transport and storage; services of an energy supplier, namely, transport and distribution of electricity, gas, heating, water, CO2, hydrogen and steam; supplying electricity; transport and discharging of waste; technical advice and consulting in connection with supplying energy and heating; contributing instructions and technical advice on goods and services linked to an energy supplier; technical advice and consulting in the use of energy, heating and water distribution devices
40
Generation, production and transformation of energy and electricity; waste treatment, especially re-use, recycling and treatment of waste and landfill gases; handling of waste; incineration and destruction of waste; sorting of waste and of recyclable materials; consulting in waste treatment; water purification; rental of heating installations, apparatus and accessories; advice on the aforementioned services; rental of water heaters; information and instructions on interruption of electricity supply (power outage)
42
Research in economic production techniques for energy, re-use and treatment of waste; development of transport networks used for energy and waste; advice about protecting the environment; quality control; control of electrical installations, gas and water supply installations and heating installations, apparatus and accessories; instruction and information on energy savings given to users; technical analysis of damage (expert reports concerning damages); advice and instructions regarding, especially, the more efficient and sustainable use of energy, electricity, heating and water intake devices; advice and instructions on energy saving; engineering services; engineering services in the field of energy technology and energy supply systems