chemicals to be used in industry and science; [ unprocessed artificial resins to be used in industry, science and agriculture; adhesives for industry for covering and sealing; land manure; chemical products for preserving food; ] chemical products from molybdenum oxide for making molybdenum salts, chemical and petrochemical industry catalysts and metallic molybdenum; chemical products from molybdenum salts for making pure molybdenum oxide, metallic molybdenum and catalysts for the chemical and agriculture industry; chemical products of rhenium in all forms for making rhenium salts, catalysts to be used in the chemical industry and the making of metallic rhenium and perrhenic acid [ ; chemical products from tungsten in all forms for making metallic tungsten, tungsten carbide and catalysts for chemical industry; chemical products from tantalum in all forms for making metallic tantalum and tantalum alloys; chemical products from niobium in all forms for making metallic niobium and alloys; chemical products from cobalt in all forms to be used in the chemical industry as a pigment, in the metallurgic industry for the making of alloys and superalloys, for the making of salts to be used in the electrodeposition of metals; sulfuric acid, calcium carbide, copper oxides, copper salts and chemical products of copper in all its forms to be used in the manufacture of fungicides for use in the agriculture industry, in the manufacture of alimentary complements for use in the chicken and pigs breeding industry, for electrodeposition of copper and making of alloys in the metallurgic industry; and non-metallic minerals, namely, quartz, feldspars, clays, all for using in the chemical and metallurgic industry ]

[ common metals and their alloys for further manufacture; metallic construction materials, namely, panels, laminations, pipes, cables and filaments; ] molybdenum minerals and their alloys; rhenium minerals and their alloys [ ; metallic materials for electric resistances of boilers; high temperature mechanically resistant trays, namely, metal molds for casting ceramic materials, foundry chill-molds, or metal moldings; metal corrosion resistant pipes and valves; copper minerals and their alloys; tungsten minerals and their alloys; tantalum minerals and their alloys; niobium minerals and their alloys; cobalt minerals and their alloys; and metallic products, namely, corrosion resistant laminations, sheets and pipes ]

[ precious metals and their alloys; and products elaborated from precious metals, namely, jewelry ]