Sand; gravel; crushed stone; asphalt; bitumen; cement; gypsum; plaster; concrete; marble blocks for construction; non-metallic transportable buildings; poles not of metal for power lines; barriers not of metal; bitumen cardboard coatings for roofing; bitumen coating for roofing; doors and windows of wood and synthetic materials; traffic signs not of metal, non-luminous and non-mechanical, for roads; monuments and statuettes of stone, concrete and marble; aquarium sand