Chemical products, namely, bleaching chemicals for use in industry and science and nonferrous metal, namely, fissionable chemical elements in the nature of plutonium and uranium, rare earth metal, and radium for scientific purposes; nonmetallic mineral, namely, diatomaceous earth, natural graphite for industrial purposes, and china clay in the nature of kaolin; unprocessed plastics, namely, unprocessed artificial resins and unprocessed synthetic resins