Retailing of new machines and machine tools, hand tools and implements, cutlery, razors; electric, photographic, weighing or measuring apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images, recording discs, cash registers, calculating machines, data processing equipment and computers; heating, steam generation, cooking, refrigerating, drying and ventilating apparatus; precious metals and their alloys and goods in precious metals or coated therewith, jewellery, precious stones; musical instruments; printed matter, adhesives for stationery or household purposes, typewriters and office requisites, playing cards; leather and imitations of leather, travel bags, umbrellas, walking sticks, harnesses and saddlery; furniture, mirrors, picture frames, household or kitchen utensils and containers, glassware, porcelain and earthenware; nets, tents; headgear; games and playthings, gymnastic and sporting articles; retailing of second-hand goods; exchange of second-hand goods for cash or goods