Paragraph 1
Subject to the provisions of this Schedule, the activities of the engineering industry are the following activities in so far as they are carried out in Great Britain:—
the manufacture of—
any article wholly or mainly from metal or any combination of metal and plastics material;
any vehicle body;
any aircraft, helicopter, glider, hover vehicle (that is to say, a vehicle designed to be supported on a cushion of air) or guided missile;
any article embodying a lens or prism;
any primary cell or battery or electric accumulator;
any electric cable, electric filament lamp, electric discharge lamp or photographic flashbulb;
any thermionic, cold cathode or photo-cathode valve or tube, cathode-ray tube, electric capacitor or resistor, any device using ferrite for electrical purposes or any semi-conductor device;
any pattern for the purpose of engineering;
the installation, testing, inspection or repair of any article (whether or not so described) specified in sub-paragraph (a) above;
the production of any non-ferrous metal or semi-manufactured sections from such metal, including the operations of smelting, refining, casting, rolling, drawing, extruding or forging;
the erection of—
steel or other metal framework of buildings; or
structures made wholly or mainly of steel or other metal (not being electric lines or structures designed for the support thereof, fencing, hoarding or scaffolding);
electro-plating, anodising, polishing, burnishing, tempering, case-hardening, annealing or any other metal finishing process;
the machining of graphite;
the preparation of any engineering drawing;
when carried out in conjunction with any of the foregoing activities, any of the following activities, that is to say—
research, development, design or drawing;
operations in connection with sale, packing, warehousing, distribution or transport;
work done at any office or laboratory, at any store, warehouse or similar place or at a garage;
any other activity of industry or commerce carried out at or from an establishment engaged mainly in one or more of the foregoing activities.