(a)Installations for the production of pig iron or steel (primary or secondary fusion) including continuous casting;U.K.
(b)Installations for the processing of ferrous metals:U.K.
(i)
hot-rolling mills;
(ii)
smitheries with hammers;
(iii)
application of protective fused metal coats;
(c)Ferrous metal foundries;U.K.
(d)Installations for the smelting, including the alloyage, of non-ferrous metals, excluding precious metals, including recovered products (refining, foundry casting, etc.);U.K.
(e)Installations for surface treatment of metals and plastic materials using an electrolytic or chemical process;U.K.
(f)Manufacture and assembly of motor vehicles and manufacture of motor-vehicle engines;U.K.
(g)Shipyards;U.K.
(h)Installations for the construction and repair of aircraft;U.K.
(i)Manufacture of railway equipment;U.K.
(j)Swaging by explosives;U.K.
(k)Installations for the roasting and sintering of metallic ores.U.K.