07
Apparatus and instruments for conducting, switching,
transforming, producing, accumulating, regulating or
controlling gas (machinery and parts of machinery)
09
Apparatus and instruments for conducting, switching,
transforming, producing, accumulating, regulating or
controlling electricity
35
Commercial business management relating to energy, business
consultancy, information or enquiries provided to clients of
all kinds (individuals, public or private companies, public
or private promoters, local and industrial groups)
37
Installation, maintenance and repair of energy
installations, repair information, installation and
maintenance of energy installations for factories,
buildings; construction, maintenance and repair of
installations for supplying and/or producing and/or
distributing energy, in particular electricity, gas, heating
and water; construction of installations for recycling
and/or processing of waste, refuse or industrial waste;
construction of installations for waste water removal and/or
waste water purifying; construction of pipelines for
transporting gases, liquids and solids; repair and
maintenance of the aforesaid installations and pipes,
installation and maintenance of protection systems of all
kinds for installations (in particular buildings and
installations for supplying and/or producing and/or
distributing energy)
39
Transport, distribution and supply of energy (electricity,
gas and water), information and advice on the transport,
distribution and supply of energy, supply (distribution) of
energy (electricity, gas, water, steam) for others
40
Production of energy, production of electricity, gas, heat,
steam; professional consultancy with regard to the
production of energy, and the production of electricity,
gas, heat, steam; waste treatment, recycling of waste,
studies and research on waste treatment, material treatment
information, air deodorising, air purification, air
freshening, sewage purification
42
Technical information and consultancy provided by engineers
relating to installations for supplying and/or producing
energy, in particular electricity, gas, heating and water;
technical information and consultancy on installations for
supplying and/or producing and/or distributing energy, in
particular electricity, gas, heating, steam and water and on
electrical safety, quality control: technical studies and
analysis, diagnostics (provided by engineers) for the
setting up and installation of apparatus and installations
for supplying and/or producing and/or distributing energy,
namely electricity, gas, heating and water
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