Plastic building materials, namely, plastic conduit for drainage, multilayer panels of plastic for use in buildings, plastic floorboards, plastic tiles; rainwater inlets of plastics for building or construction, namely, plastic conduit for drainage and irrigation; rainwater inlets of plastics for building or construction, namely, plastic conduit for drainage and irrigation; rainwater infiltration facilities of plastics for building or construction, namely, drain pipes; paving blocks, not of m...