Inverters; electronic servo amplifier; electric transformers; switchboards; electric control panels; electric power converters; cycloconverters; programmable logic controller (PLC); programmable sequencers; battery chargers; electrical controlling devices; electronic power supplies for driving electric motors; electric numerical controllers; servo controller for motion of industrial robots; rotary converters; phase modifiers; oscillators; electric cables; optical fiber cables; telecommunication cables; telephone apparatus; cellular phones; transmitters of electronic signals; digital signal processors; computer network adapters, switches, routers and hubs; wireless modems; computer hardware and computer peripheral devices; electronic circuit; printed circuit boards; integrated circuits; * computer software used as * software development tools; * computer software used as * software development tools for motion of industrial robots; computer software for control of inverters; [ computer software for control of electric power converters; ] computer software for electrical controlling devices