[Class : 19] Building And Construction Materials And Elements, Not Of Metal; Cement, Cement Slabs And Pipes; Asphalt, Pitch And Bitumen; Portable Non Metal Buildings; Non Metallic Transportable Buildings, Prefabricated Non Metal Buildings And Houses; Natural And Artificial Stones; Reinforcing Materials (Not Of Metal) For Building; Concrete, Glass And Wood Blocks; Luminous Paving Blocks, Not Of Metal; Coatings [Building Materials]; Concrete Drainage Structures; Paving And Road Making Materials; Roofing Tiles And Cement; Non Metallic Rigid Pipes For Building; Adhesive Mortar For Building Purposes; Cement Mortar For Use In Construction; Roofing Materials; Veneer, Gravel And Wall Putty; Building Blocks (Non Metallic); Autoclaved Aerated Concrete Blocks (Aac Blocks); Paving Blocks, Not Of Metal; Concrete Blocks; Non Metallic Refractory Blocks.