[Class : 17] Resins For Use In Forming A Dust Proof Skin On Walls /Construction, Resins For Use In Forming A Hardened Skin On Walls / Construction, Unprocessed And Semi Processed Rubber, Gutta Percha, Gum, Asbestos, Mica And Substitutes For All These Materials; Plastics And Resins In Extruded Form For Use In Manufacture; Packing, Stopping An D Insulating Materials; Flexible Pipes, Tubes And Hoses, Not Of Metal (Used In Construction And Maintenance Of Walls).