Chemical products used in industry; silver nitrate, copper sulfate, nickel sulfate, cuprous oxide, foundry sand, dressing sand, talcum powder, sulfur, iron ore, ammonium sulfate; selenium; mercury

Installations for water supply and sanitary purposes, evaporators

Scientific and electrical apparatus and instruments; weighing and measuring apparatus and instruments; weighing devices for molten metal; analyzers for elements including those using x-rays, those based on magnetism and those based on neutron activation; particle size measuring devices, apparatus and instruments for detecting and sensing metal, process control systems; copper anodes and cathodes, nickel cathodes

Surgical, medical and vetrerinary instruments and apparatus; intrauterine contraceptive devices included in this class

Unwrought and partly wrought common metals and their alloys; common metal rods and wires, common metal tubes, wirebars, slabs, billets, common metal sheets,selenium, zinc slabs, zinc cups (for batteries), chromeconcentrate ferrochrome, cadmium, pellets (chromium),cobalt, zinc slag aluminium, mercury