[ selenium for use in the glass, chemical, paint, power and electronics industries; thallium for use in the radio industry, in optical glass production and in the field of photography; tellurium for use in the production of alloys, paint and chemical reagents and for use in semiconductors; mercury for use in the vacuum electronics field, for use in chemical reagents, for use in pharmaceutical preparation and in the metallurgical industry; sulphuric acid for use in the applied metallurgical and chemical, in the galvanic industries and in accumulator production; sulphating zinc for use in ore concentration, in the textile industry and in the galvanotechnics field ]

raw metals, namely zinc, [ lead, cadmium indium and copper ] for general industrial use in the manufacture of various metal products