OS ORIGINALSTYLE

non-metallic tiles; artificial and natural stone, worked and unworked; slate; marble and glass, worked and unworked; mastics and grouts for affixing floor tiles and wall tiles [ ; non-metallic building materials, namely, non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; ] monuments of [ travertine, ] limestone, marble, stone, ceramic, terracotta and concrete