Advertisement columns, not of metal; Aviaries not of metal; Cabanas, not of metal; Decorative glass for building; Drain pipes, not of metal; Horticultural cold frames, not of metal; Modular non-metal dog houses; Non-metal plant cages; Non-metal trellises; Palings, not of metal; Trellises, not of metal; Water-pipes, not of metal; Wood blocks for arts and crafts; Wood sheets for arts and crafts; Works of art of clay