Aluminium ingots; anti-friction metal; common metals, unwrought or semi-wrought; zinc ingots; props of metal; aluminium alloy ingots; steel sheets; iron slabs; angle irons of metal; alloys of common metal.

Semiconductors; integrated circuits; variometers; holders for electric coils; piezoelectric sensors; electronic pickup sensors for solar radiation measurement; automatic tracking of the sun sensor; photovoltaic cells; solar panels for the production of electricity; solar batteries; charging stations for electric vehicles.