Optical apparatus and instruments, namely, optical scanners and optical sensors; semi-conductors; wires, electric; plotters; weighing machines; measures, namely, tape measures, measuring rulers, and measuring cups; signs, luminous; mobile telephones; headphones; projection apparatus, namely, slide and movie projectors; length, height, and radiation measuring instruments; integrated circuits; condensers; transformers; electric installations for the remote control of industrial operations; ligh...