37 Installation and repair services relating to domestic appliances provided with a electricity consumption communication, control and monitoring system via a telecommunication system; installation, cleaning, repair and maintenance services, namely, cable laying, underwater cable laying, land cable laying, application of coatings to cables, underground cable laying, submarine cable joining services; installation, cleaning, repair and maintenance services of cables for Internet access; installation of hardware and cables for internet access; installation, cleaning, repair and maintenance services of communication apparatus, external wiring transmission apparatus, telecommunications cables, communications cable, fiber-optic cables, covers for fiber-optic cables; optical transmitter services for use with fiber-optic cables, optical cables, light conducting filaments [fiber-optic], fiber-optics for maintaining polarization, coaxial cables, ethernet cables, acoustic conductors, fiber-optic telecommunications apparatus, apparatus for data communications and networks, fiber-optic receivers, nonlinear fiber-optics