Installation and maintenance of photovoltaic installations; Installation and maintenance of photovoltaic/solar thermal hybrid installations; Installation and maintenance of solar thermal installations

window glass sold as an integral component of non-metal windows and doors

Climbing robots for the industrial cleaning of billboards; industrial wall-climbing robots for maintenance, used for mounting ceramic tiles, repairing and spraying for high-rise buildings; washing apparatus, namely, washing machines for household items; spraying machines; apparatus for cleaning using steam; dust vacuum installations for cleaning purposes; dust removing installations for cleaning purposes; electric cleaning machines and apparatus, namely, electric cleaning machines for wall pa...