21 Household or kitchen utensils and containers not of precious metal or coated therewith, in particular cups, plates, bottle openers, corkscrews; dishwashing brushes, hair brushes, blacking brushes, cosmetic brushes, crumb brushes, brushes for pets, brushes for footwear, floor brushes, file brushes, tub brushes, washing brushes, mushroom brushes, lint brushes, horsehair for brushes, tooth brushes, lip brushes, cake brushes, brushes for pipes, pastry brushes, scraping brushes, eyebrow brushes, nail brushes, shoe brushes, shaving brushes, toilet brushes, scrubbing brushes, basting brushes; brush-making materials; articles for cleaning purposes in the nature of cleaning sponges, cleaning combs, cleaning cloths, cleaning rags, pads for cleaning, cleaning cotton, cleaning mitts of fabric, metal wool for cleaning, pads of metal for cleaning, chamois leather for cleaning, steel wool for cleaning, gun cleaning cloths, eyeglass cleaning cloths, cleaning and polishing cloths, microfiber cloths for cleaning, duster sleeves for cleaning, pot cleaning brushes, bottle cleaning brushes, tongue cleaning brushes, brushes for cleaning cameras, cleaning brushes for barbecue grills; steelwool; unworked and semi-worked glass except glass used in building; articles made of glass, porcelain and earthenware for household and kitchen purposes in the nature of cups, plates, tea services in the nature of tableware, and coffee services in the nature of tableware; works of art made of glass, porcelain and earthenware; combs; sponges for household purposes