6
Roofing of metal, incorporating solar cells; Wire rope; Wire of common metal; Cable joints of metal, non-electric; Ironmongery; Bolts of metal; Signalling panels, non-luminous and non-mechanical, of metal; Soldering wire of metal; Hooks of metal for roofing slates; Nuts of metal
9
Cables, electric; Inverters [electricity]; Distribution boxes [electricity]; Transformers [electricity]; Solar batteries; Solar panels for the production of electricity; Portable power supplies (rechargeable batteries); Battery chargers; Photovoltaic cells; Photovoltaic solar modules
11
Luminous tubes for lighting; Lighting apparatus and installations; Lamps; Solar heating apparatus; Solar collectors for heating; Solar water heaters; Solar thermal collectors [heating]
19
Silica [quartz]; Roof coverings, not of metal; Roofing, not of metal; Roofing, not of metal, incorporating photovoltaic cells; Cladding, not of metal, for building; Rigid pipes, not of metal, for building; Advertisement columns, not of metal; Buildings, transportable, not of metal; Safety glass; Building glass
37
Construction consultancy; Pipeline construction and maintenance; Installation of doors and windows; Roofing services; Heating equipment installation and repair; Electric appliance installation and repair; Installation of lighting apparatus; Repair of lighting apparatus; Machinery installation, maintenance and repair; Repair of power lines; Vehicle battery charging
42
Quality testing; Research in the field of environmental protection; Consultancy in the field of energy-saving; Research and development of new products for others; Technological research; Material testing; Industrial design; Architectural consultancy; information technology services provided on an outsourcing basis; Information technology [IT] consultancy