Building materials made of concrete, gypsum, clay, potters' clay, stone, marble, wood, plastics and synthetic materials for building, construction, road construction purposes, namely, plastic pipe supports, pre-cast concrete wall forms, semi-worked woods, building panels, gypsum tiles, clay tiles; prefabricated non-metal buildings, non-metal building material, namely, fascia, flashing, soffits, shutters, shingles, siding, and trim, poles not of metal for power lines, non-metal barriers for pedestrian traffic control; non-metal fencing in the nature of an industrial safety barrier; portable non-metal free-standing barriers; portable non-metal traffic barriers; natural and synthetic coatings in the form of panels and sheets, being building materials; bitumen cardboard coatings for roofing; bitumen coating for roofing; traffic signs not of metal, non-luminous and non-mechanical, for roads; monuments and statuettes of stone, concrete and marble; building glass; prefabricated swimming pools not of metal; aquarium sand