YI

Recorded computer operating software; recorded computer software for database management; electro-dynamic apparatus for the remote control of signals; inverters; transformers; current rectifiers; electrical distribution boxes; electric apparatus for commutation being commutators; photovoltaic solar modules for production of electricity; accumulators, electric

Building construction supervision; cleaning of industrial premises; installation and maintenance of photovoltaic installations; machinery installation, maintenance and repair; installation and repair of lighting apparatus; installation of electrical machinery and generators; repair of power lines