1. This Chapter does not cover :

(a) railway or tramway sleepers of wood or of concrete, or concrete guide-track sections for hovertrains (heading 4406 or 6810);

(b) railway or tramway track construction material of iron or steel of heading 7302; or

(c) electrical signaling, safety or traffic control equipment of heading 8530.

2. Heading 8607 applies, inter alia, to:

(a) axles, wheels, wheel sets (running gear), metal tyres, hoops and hubs and other parts of wheels;

(b) frames, under frames, bogies and bissel-bogies;

(c) axle boxes, brake gear;

(d) buffers for rolling-stock; hooks and other coupling gear and corridor connections;

(e) coach work.

3. Subject to the provisions of Note 1 above, heading 8608 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) signaling, safety or traffic control equipment, whether or not fitted for electric lighting, for railways, tramways, roads, inland waterways, parking facilities, port installations or airfields.