Capacitators; Diodes; Photodiodes; Components for electrical mains in the nature of electric wires, connectors, circuit breakers, cables; Control valves for regulating the flow of gases and liquids; Electric connections; Electric resistors; Electrical controllers; Electrical switches; Electronic components in the nature of capacitors, connectors, filters, oscillators, relays, switches, transformers, resistors, semiconductors, integrated circuits, rectifiers, transistors; Electronic semi-condu...