Chemicals used in industry, science, and agriculture, namely, lead arsenate, barites, bentonite, bismuth, helium, protective gases for welding, titanium dioxide, dolomite, oxygen, oleic acid, sulphuric acid, coagulants, copper sulfate, selenium, silicates, salts of precious metals for industrial purposes, sulphates, antinomy, and tellurium

Common metals and their alloys, namely, aluminum, bronze, cadmium, indium, brass, unwrought and semi-wrought copper, tin, copper wire not insulated, unwrought and semi-wrought lead, ferrotitanium, zinc

unwrought precious metals; palladium; platinum; unwrought silver