HS 28 - Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes
HS 72 - Iron and steel
HS 81 - Metals; n.e.c., cermets and articles thereof
HS 85 - Electrical machinery and equipment and parts thereof; sound recorders and reproducers; television image and sound recorders and reproducers, parts and accessories of such articles