[Class : 6] Rails Of Metal, Railway Points, Railway Sleepers Of Metal, Railway Switches And Materials Of Metal For Railway Tracks, Rail Fastening Systems, Channel Sleepers, And Bridge Girders. Common Metals And Their Alloys , Ores; Metal Materials For Building And Construction ; Transportable Buildings Of Metal ; Non Electric Cables And Wires Of Common Metal ; Small Items Of Metal Hardware; Metal Containers For Storage Or Transport ; Safes.[Class : 7] Rail Laying Machine And Railroad Constructing Machine. Machines, Machine Tools, Power Operated Tools; Motors And Engines , Except For Land Vehicles; Machine Coupling And Transmission Components , Except For Land Vehicles;[Class : 16] Printed Matters, Stationery, Office Requisites, Plastic Material For Packaging, Paper, Cardboard And Goods Made From These Materials Not Included In Other Classes And Printing Blocks.[Class : 17] Railway Tracks Insulated For And Insulation Materials.[Class : 37] Building Construction, Repair, Installation Services.[Class : 42] Flash Butt Welding Of Rails For Making Continuous Welded Rails Or Long Welded Rails, Warranty Maintenance Of All Products Supplied I.E. Services That Can Not Be Classified In Any Other Classes.