chapter 86 Railway or tramway locomotives, rolling-stock and parts thereof; railway or tramway track fixtures and fittings and parts thereof; mechanical (including electro-mechanical) traffic signalling equipment of all kinds
1.- This Chapter does not cover:
(a) Railway or tramway sleepers of wood or of concrete, or concrete guide-track sections for hovertrains (heading 44.06 or 68.10);
(b) Railway or tramway track construction material of iron or steel of heading 73.02; or
(c) Electrical signalling, safety or traffic control equipment of heading 85.30.
2.- Heading 86.07 applies, inter alia, to:
(a) Axles, wheels, wheel sets (running gear), metal tyres, hoops and hubs and other parts of wheels;
(b) Frames, underframes, bogies and bissel-bogies;
(c) Axle boxes; brake gear;
(d) Buffers for rolling-stock; hooks and other coupling gear and corridor connections;
3.- Subject to the provisions of Note 1 above, heading 86.08 applies, inter alia, to:
(a) Assembled track, turntables, platform buffers, loading gauges;
(b) Semaphores, mechanical signal discs, level crossing control gear, signal and point controls, and other mechanical (including electro-mechanical) signalling, safety or traffic control equipment, whether or not fitted for electric lighting, for railways, tramways, roads, inland waterways, parking facilities, port installations or airfields.