Electronic components in the nature of capacitors, connectors, filters, oscillators, relays, switches, transformers, resistors, semiconductors, integrated circuits, rectifiers, transistors, used in the electronic parts of machines and apparatus, namely, spirometers; semi-conductors; integrated circuits, integrated circuit chips, light-emitting diodes (LEDs); transistors; magnetic head diverters being components of hard disk drives; electric locks; electronic photocells; electronic, opening an...