Industry
Pipes, tubes, ducts and pipelines, ferrous metals, Metal pipework, valves and containers, Construction, Pipe, tube and hose fittings, metal, Pipe, tube and hose couplings, metal, for steam, Pipe, tube and hose fittings, metal, plastic lined, Pipe, tube and hose fittings, metal, tinned, Pipes and tubes, ferrous, rubber lined