1 Alkaline metals; metal elements in the nature of lithium, potassium, rubidium, caesium; metal oxides; metal salts in the nature of chlorides, sulfates, nitrates; chemical products for use in metal processing; chemical products for use in mining; lithium; lithia in the nature of lithium oxide; carbonates; chlorides, namely, metal chlorides; hydroxides, namely, potassium hydroxide, lithium hydroxide, caesium hydroxide, rubidium hydroxide; calcium salts; raw chemicals; chemical intermediates for use in industry; potassium; potassium sulfate; potassium salts, other than for medical purposes; rubidium; caesium; silicon; pure silicon; silicon dioxide; synthetic silica, namely, synthetic silica gel; potassium silicates; silicates; aluminosilicates in the nature of aluminium silicate; calcium silicate; olivine in the nature of silicate mineral; sepiolite in the nature of magnesium silicate; sodium silicates; talc in the nature of magnesium silicate; gypsum for use as a fertilizer