[Class : 19] Plastic Construction Materials, Corrugated Sheets Made Of Plastics Materials [Roofing Material], Polyethylene Pipes Used In Geothermal Heating And Cooling Systems, Non Metallic Drainage Pipes, Drainage Installations (Non Metallic ), Drainage Channels (Non Metallic ), Storm Shelters, Not Of Metal, Non Metallic Rigid Pipes For Construction Purposes, Drain Pipes, Gutter Pipes, Not Of Metal, Concrete Pipes, Drain Pipes Made Of Concrete, Earthenware Or Sandstone, Manhole Covers, Not Of Metal, Concrete Paving Blocks, Plastic Pipes For Plumbing Purposes; Water Pipes, Not Of Metal, Chambers [Non Metallic Structures], Drain Traps [Valves], Not Of Metal Or Plastic Being Goods Included In Class 19