[Class : 19] Plastic Pipes For Plumbing Purposes, Drain Pipes, Water Pipe Valves, Not Of Metal Or Plastic, Valves, Not Of Metal Or Plastic, For Water Pipes, Polyethylene Pipes Used In Geothermal Heating And Cooling Systems, Rigid Pipes Of Plastics [Other Than Parts Of Sanitary Installations], Ducts Made Of Plastics For Trunking Pipes For Gases, Plastics Pipes [Rigid] For Water, Plastic Pipes For Conveying Gas And Building Material (Non Metalic), Non Metallic Rigid Pipes For Building, Asphalt, Pitch & Bitumen, Non Metallic Transportable Building; Monuments; Not Of Metal, Plastic Ghamela, Plastic Manhole Covers, P.P.R. Pipes & Fitting, H.D.P.E. Pipes Included In Class 19.