[Class : 19] Semi Worked Woods For Use In Building, For Example, Beams, Planks, Panels; Wood Veneers; Bonding Materials Comprising Of Gypsum Plaster With Additives And Polymers; Bonding Materials Used As A Bond On The Rcc Background And The Internal Gypsum Based Or Any Other Plaster Based Internal Wall Lining; Jointing & Wall Finishing, Pvc Gypsum Tiles, Perforated Gypsum Tiles; Building Systems For Internal Wall Linings And Plasters ; Building Material, Gypsum Boards, Calcium Silicate And Fibre Cement Boards, Plasters, Wall Putty, Nonmetallic Building Materials; Nonmetallic Claddings, Wall Panels; Non Metallic Ceilings And Metal Ceiling Tiles; Plaster And Plasterboard; Building Boards; Partitioning Systems.