Non-metallic building materials, namely, concrete poles, posts, blocks, and wall, floor, and façade panels; Building materials, namely, non-metal spacers and molds for casting concrete; non-metallic void formers in the nature of molds for producing cavities or openings in concrete structures including concrete foundations, slabs, walls, façade panels, blocks, posts, poles, floors and platforms and precast concrete elements; Cement posts and poles made predominantly of non-metallic materials...