1 Chemicals used in industry, science, and research; Minerals used in industry, science, and research for industrial and scientific purposes, namely, lanthanum, cerium, praeseodymium, neodymium, samarium, europium, erbium, ytterbium; rare earth elements and rare earth metals of the periodic table, namely, lanthanum, cerium, praeseodymium, neodymium, samarium, europium, erbium, ytterbium and all other lanthanide and actinide rare earth elements and metals used for industrial or scientific purposes; mined materials being industrial and processed minerals for industrial and scientific purposes namely, lanthanum, cerium, praeseodymium, neodymium, samarium, europium, erbium, ytterbium; oxides of the aforementioned, namely, oxides of lanthanum, oxides of cerium, oxides of praeseodymium, oxides of neodymium, oxides of samarium, oxides of europium, oxides of erbium, oxides of ytterbium; industrial salts; mineral concentrates, namely, rare earth elements and rare earth metals, by-products of rare earth elements and rare earth metals, namely, by-products of lanthanum, cerium, praeseodymium, neodymium, samarium, europium, erbium, ytterbium and all other lanthanide and actinide rare earth elements and metals used for industrial or scientific purposes