All goods included in class 11 including water supply, recirculation, pumping and filtration apparatus, water treatment and purification apparatus and parts, accessories and ancillary equipment for liquid retaining structure and swimming pools falling within this class; building materials (non-metallic); non-metallic rigid pipes for buildings; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal, and particularly including swimming pool construction materials and parts, fittings and accessories for swimming pools