Solar cells; semi-conductors; integrated circuits; ingots being prepared substrates in the nature of semi-conductor wafers for the manufacture of semi-conductors; fiber optic telecommunication apparatus and instruments in the nature of telecom glass fibers, fiber optics and opto- electronic devices, namely, optical lenses, infrared cameras, infrared detectors and infrared thermal imaging lenses; light- emitting diodes (led); consumer electronics included in this class, namely, apparatus and i...