Retail business. Retail stores and service establishments, such as bakeries, food shops, drugstores, branch laundries, dry-cleaning shops (but not dyeing plants), beauty parlors, barbershops, tailor and shoe repair shops, florists, jewelry, gift and optician shops, hardware stores, building material stores and sales yards in connection therewith, newspaper offices, printing plants, electrical appliance stores, music stores, restaurants, theaters or other commercial establishments of a like nature.