Ключевые слова: ac, accessibility, accessory, adapter, aluminium, appliance, background, battery, cable, cell, cellphone, charger, connection, converter, device, electrical, electronic, energy, equipment, isolated, light, line, mobile, network, object, phone, plastic, plug, port, power, silver, smart, socket, steel, supply, symbol, technology, telephone, transfer, transformer, trident, usb, white,