[Class : 11] Installations, Apparatus And Devices For Lighting, Heating, Refrigerating, Ventilating, Irrigation, Sanitation, Hot Or Cold Water Supply, The Drainage Of Wastewater And Sewage; Their Parts And Accessories Not Included In Other Classes.[Class : 17] Rubber, Gutta Percha, Gum Asbestos, Mica And Goods Made From These Materials And Not Included In Other Classes; Plastics In Extruded Form For Use In Manufacture; Packing, Stopping And Insulating Materials; Flexible Pipes, Not Of Metal.[Class : 19] Building Materials, (Non Metallic), Non Metallic Rigid Pipes For Building; Asphalt, Pitch And Bitumen; Non Metallic Transportable Buildings; Monuments, Not Of Metal[Class : 37] Building Construction; Repair; Installation Services; Information, Advisory And Consultancy Services Relating To All Of The Aforesaid Services.