Computers; facsimile machines; weighing equipment, namely, scales and balances; tape measures; intercommunication apparatus, namely, telephones; photography cameras; electrotechnic instruments, namely, electrotechnical vibration meters, exposure meters, manometers, watt-hour meters; electric wires; low voltage electric components, namely, voltmeters, circuit breakers, transformers, electric resistances, current rectifiers, electric relays.