[Class : 6] Metal Building Materials And Prefabricated Building Components For The Construction Of Systems To Collect And Conduct Water, Surface Water, Sewage And Other Fluids, For Drainage Apparatuses In Civil And Underground Engineering, Hydraulic Engineering, Road Construction, Sports Field Construction And Building Construction, And For Line Drainage And Surface Drainage, Namely, Metal Drainage Channels, Inflow Boxes And Fluid Storage Tanks, Surge Tanks, Gullies, Down Pipes, Sludge Pipes, Prefabricated Inspection Shafts, Floor Drains With Or Without Stench Trap, Drain Covers, Grating, Grid Plate Covers, Floor Cover Plates, Catch Pans, Pipe And Tube Fittings, Clamps, Pipe Joints; Threaded Caps, With All Of The Foregoing For Pipes; Metal Drainage Plates; Fabricated Metal Forms For Drainage On Buildings, Prefabricated Metal Components For Ventilation And Venting, Ventilation And Venting Grating, Outer And Inner Ducts, Metal Sections For Building Purposes, Prefabricated Windows, Window Soffits, Soffits For Basement Windows With And Without Integrated Roller Shutters, Skylights, Fanlights, Drainage Pipes, Ventilation And Venting Pipes And Supply Water And Sewage Pipes, Telescope Pipes, Angle Pipes, T Pipe Sections, Elbow Pipes, Conduit Pipes, Cleaning Pipes, Seepage Drain Pipes, Drainage Pipes For Building Purposes; Prefabricated Metal Components Used In Construction Of Controlling, Washing And Collecting Shafts In Drainage Installations, Gratings And Parts And Fittings For All Aforesaid Goods