19 Plastic building materials, namely, rails; slabs; rods, frames; frame pieces; profiled flat rails and bars; as well as assembly profiles for coverings, edgings and connections at wall and floor coverings and stairs; wood frames, frame bars, frame pieces for the use in construction, with cast, dry mortarless construction, for filing, for banding, for hiding the transition of various flooring materials; combined wooden and aluminum frames, frame bars, frame pieces for the use in construction, with cast, dry mortarless construction, for tiling, for banding, for hiding the transition of various flooring materials