6
Building and construction materials and elements of metal; Structures and transportable buildings of metal; Pipes, tubes and hoses, and fittings therefor, including valves, of metal; Penstock pipes of metal; Pipes and tubes of metal; piping; Pressure release systems of metal, including the following products: related accessories; Pipe elements, of metal; Wall release valves, of metal, Channelling elements, of metal
9
Apparatus, instruments and cables for electricity; Thermionic valves; Measuring, detecting, monitoring and controlling devices; Safety, security, protection and signalling devices; Signalling apparatus; Ducts [electricity]; Electric cords; Heat resistant electric wires; Apparatus and instruments for conducting electricity; Apparatus and instruments for conducting electricity; Print counters; Pressure recorders; Pressure controllers [gauges]; Electronic pressure sensors
37
Laying of cable; Installation of electrical wiring; Laying of cable; Building, construction and demolition; laying and Installation services, in relation to the following goods: Channelling elements; laying and Installation services, in relation to the following goods: pipework systems; laying and Installation services, in relation to the following goods: Pressure release systems
39
Distribution by pipeline and cable; Electricity distribution via cables