[Class : 6] Common Metals And Their Alloys; Metal Building Materials; Transportable Buildings Of Metal; Materials Of Metal For Railway Tracks; Non Electric Cables And Wires Of Common Metal; Ironmongery, Small Items Of Metal Hardware; Pipes And Tubes Of Metal; Safes; Goods Of Common Metal Not Included In Other Classes; Ores; Stainless Steel And Their Alloys Produced In The Form Of Rods, Pipes, Tubes, Sheets, Plates, Wires, Wirebars, Slabs, Billets, Strips And Foils.[Class : 11] Apparatus For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply And Sanitary Purposes; Drying Towers, Absorption Towers, Cooling Apparatus, Heat Exchangers (Not Being Parts Of Machines), Strainers (Being Parts Of Drying, Intermediate And Absorption Towers) As Well As Parts Or Components Of The Aforesaid Goods.[Class : 37] Building Construction; Repair; Installation Of Acid Distribution Systems In Industrial Plants.[Class : 42] Scientific And Technological Services And Research And Design Relating Thereto; Industrial Analysis And Research Services;;Technical Consultation Services Relating To The Design And Operation Of Acid Distribution Systems In Industrial Plants And To The Production And Handling Of Acids.