35 Advertising; business management in particular retailing and wholesaling of the following goods: photovoltaic solar modules, photovoltaic solar panels, photovoltaic solar batteries, strings of photovoltaic batteries, photovoltaic roof elements, photovoltaic building materials, photovoltaic cladding panels, hybrid photovoltaic solar-thermal modules, photovoltaic systems, solar cells, electric collectors, solar collectors, boiler control instruments, apparatus and installations for heating, stoves, fuel-burning and electric stoves for heating, gas stoves, petrol stoves, coal stoves, kerosene stoves, wood-burning stoves, cooking stoves, barbecues, cookers, heating boilers, boiler pipes (tubes) for heating installations, toasters, electric grills for cooking food and deep fryers, air heating furnaces, kilns, standard and ventilated fireplaces, domestic fireplaces, chimney blowers, heaters for baths, electric radiators, ventilation and air conditioning apparatus, air reheaters, chimney fans, furnaces, other than for experimental purposes, gas cookers (cooking rings), solar collectors, photovoltaic solar systems with solar radiation concentrators, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary installations, fireplaces, not of metal, mantelpieces, chimney pots, not of metal, chimney cowls (not of metal); Management and organisation of franchising activities; Business administration; Office functions