1 Rare earth elements, namely, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium; rare earth elements in the nature of transition metal elements, namely, yttrium and scandium; rare earth compounds, namely, compounds comprising a rare earth element; rare earth compounds, namely, chlorides, nitrates, hydroxides, sulfates, hydrates, fluorides and silicides comprising a rare earth element; rare earth oxides; rare earth metals; transition metal and post-transition metal alloys; chemical compounds comprising transition metals; chemical compounds comprising post-transition metals; industrial chemicals; castings, foils, sheets, powders and semi-finished articles of rare earth, rare metal or rare metal alloys; rare earth magnetic alloys; carbonates; metal chlorides; oxides; fertilizer; rare earth based chemicals for the treatment of water; rare earth based chemicals for use in purification of water; rare earth based chemicals for treatment of waste streams; mixed oxides; rare earth catalysts for chemical processes; chemicals used in industry, namely, catalyst carriers for use with catalysts for chemical processes; ammonium bifluoride; ferromagnetic chemical materials used in the manufacture of magnets, namely, magnetic powders containing rare earth elements; ferromagnetic chemical materials used in the manufacture of magnets, namely, magnetic powders containing metals; rhenium; gallium