Common metals and their alloys; [ transportable buildings of metal; materials of metal for railway tracks; ] non-electric cables and wires of common metal; metal junctions for pipes, branching pipes of metal, metal pipes and metal fittings therefor, metal tubes, metal flanges, elbows of metal for pipes, irons and steels, alloyed iron, clad steel plates and sheets, steel pipes and tubes, steel plates and sheets, bolts of metal, metal nuts, metal valves not being parts of machines

Advice, information, construction project management and consultancy services relating to extraction of oil, gas and other hydrocarbon products; advice, information, construction project management and consultancy services relating to oil and gas field drilling; advice, information, construction project management and consultancy services relating to installation or laying of pipes, pipelines and metal products; construction management, construction, maintenance and repair services, namely, t...