Signaling lights, namely, electronic blinkers; computers; optical communication apparatus, namely, optical transceivers; optical communication apparatus, namely, optical cables; electronic pens; downloadable electronic publications, namely, books, magazines, manuals and newsletters in the field of energy saving and environmental protection; automatic programmed telephone exchanges apparatus; single crystal silicon in the form of conductors, wafers, chips; silicon wafers; electronic components, namely, quartz crystals and polysilicon chips and wafers; solar batteries