19 Non-metallic building materials; non-metal railings for bridges; bridges (structures) other than of metal; non-metallic rigid pipes for building; bridge bearings (construction materials) not of metal; scaffolding; reinforcing materials, not of metal, for building; mouldings, not of metal, for building; moldings, not of metal, for building; paving blocks made of non-metallic materials; pillars, not of metal, for building; non-metal posts; cladding, not of metal, for building; road coating materials; ceilings, not of metal; roof gutters, not of metal and water-pipes, not of metal; non-metallic rigid pipes for building; beams and girders, not of metal; windows and glass for building; asphalt, pitch and bitumen; asphalt paving; cement; concrete; gypsum; gravel and stones for building; non-metallic transportable buildings; monuments, not of metal