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.
flexible pipe and pipeline products for use in the oil and gas industry for oil and gas exploration and production, transmission and drilling services, namely, metal pipes and fittings therefor; metal pipe clips, collars, connectors, couplings and joints; steel pipes and tubes; branching tubes of metal for pipelines, compressed air pipe fittings of metal; metal cable wire; non-electric cables; reinforcing materials of metal for building purposes, but not including hose, flexible pipe or pipeline products or other products used for oil or petroleum retail dispensing or fueling purposes
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.
flexible pipe and pipeline products for use in the oil and gas industry for oil and gas exploration and production, transmission and drilling services, namely, flexible plastic pipes for conveying natural gas; reinforced flexible thermoplastic pipe; branching tubes not of metal for pipelines, rubber tubes and pipes, non-metal pipe collars, connectors, couplings and joints, pipe fittings, namely, rosettes, non-metal tubing and tubing couplings for joining and terminating pipes, pipe gaskets, flexible compressed air pipe fittings, not of metal, flexible plastic pipes for conveying natural gas, insulated pipe supports, insulation jackets for industrial pipes, insulating sleeves for pipeline; interior linings made of non-metal fabric and sealant for the repair of electrical, telecommunication and natural gas utility conduits and pipes, rings of rubber for use as pipe connection seals; but not including hose, flexible pipe or pipeline products or other products used for oil or petroleum retail dispensing or fueling purposes; all the aforesaid goods not of metal or of composites or plastic and metals