[Class : 19] Building Materials [Non Metallic]; Non Metallic Rigid Pipes For Building; Asphalt, Pitch And Bitumen; Non Metallic Transportable Buildings; Stone Monuments Not Of Metal And Water Tanks (Non Metallic) [Structures], Gutter Pipes Not Of Metal,Drain Pipes Not Of Metal, Waterpipes Not Of Metal, Rigid Pipes[Building] Not Of Metal,Pvc Pipes[Building],Cpvc Pipes[Buildin...