Explanatory notes
… (B) Beryllium, chromium, hafnium, rhenium, thallium, cadmium, germanium, vanadium, gallium, indium and niobium … in this Chapter are mainly used in the form of alloys or carbides, rather than in the pure state. The classification … follows the rules set out in Note 5 to Section XV; metal carbides are excluded from this Chapter. * * * The …