35 The bringing together, for the benefit of others, of a variety of goods, namely, apparatuses for heating, steam generating, refrigerating, drying, ventilating, water supply and sanitary purposes, installations for air-conditioning and ventilating, scientific, nautical, surveying, photographic, optical, weighing, measuring, signaling, checking, life-saving apparatuses and instruments, apparatuses and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, fire extinguishing apparatuses, enabling customers to conveniently view and purchase those goods, such services may be provided by retail stores, wholesales outlets, by means of electronic media or through mail order catalogues