[ Power distribution machines and apparatus, namely, electrical power distribution units, electrical power distribution blocks; ] Power control machines and apparatus, namely, apparatus for controlling electric current, [ electric control panels, electronic controllers for use with power converters, power controllers; rotary converters; phase modifiers for regulating electrical voltage; phase modifiers, namely, synchronous capacitors; phase modifiers for regulating electrical current; batteries; electrical cells; electric and magnetic meters and testers, for measuring and testing electricity; electric wires and cables; electric buzzers; telecommunication devices and apparatus, namely, telephones, fax machines, automatic switching apparatus, change-over switches, telecommunication exchangers, telecommunications transmitters; ] electronic machines, apparatus and their structural parts, namely, [ computer hardware, electrical circuit boards, system boards and processors, computer interface boards and ] electronic notice boards, [ semiconductors ] and diodes [ ; magnetic cores; resistance wires; electrodes ]