20 Display boards, display stands, showcases, shelves for storage, benches, book rests, boxes of wood or plastic, cabinets, cases of wood or plastic, containers, not of metal, counters, cupboards, desks, furniture, office furniture, signboards of wood or plastics, tables, trays, not of metal, trestles; display stands made of metal; exhibition stands made of metal; display boards; showcases made of metal