Appliances, Electrical, and Electronics Manufacturing, Tube or pipe flange rolling machines, for metals, Machinery and equipment for metalworking, Metals, Machinery & Engineering, Metal sheet, plate, bar, section and tube working machines, Pipe, tube and hose fittings, forged steel, Metal pipework, valves and containers, Construction, Valves, cocks, taps and fittings, by metal type, Pipeline fittings and flanges, forged steel