Scientific, surveying, optical, weighing, measuring, signalling, checking (supervision) instruments as well as life-saving apparatus and equipment; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; data processing equipment; computer, computer software, photovoltaic devices for generating electricity, in particular photovoltaic modules and installations made therefrom; lightning conductors; voltage surge protectors; compute...

Installation and maintenance of photovoltaic/solar thermal hybrid installations; Installation of solar energy systems and alternative energy products for residential and commercial use; Repair and installation services, namely, the installation of heating, cooling and environmental control systems primarily using solar energy, renewable energy resources and rainwater