0A305 Lithium enriched in the Lithium-6 (6Li) isotope to greater than its natural isotopic abundance (i.e. more than 7.5%) and the products or devices containing enriched lithium such as elemental lithium, alloys, compounds, mixtures containing lithium, manufactures thereof, waste or scrap of any of the foregoing.0A306 Niobium and Tantalum, their metals, alloys and minerals including columbite and