HS 86 - Railway, 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
HS 73 - Iron or steel articles
HS 84 - Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
HS 28 - Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes