Ключевые слова: airport, alternative, background, battery, business, cable, cell, cellphone, charge, charger, communication, connect, corner, current, device, efficiency, electric, electricity, electronic, energy, equipment, helpful, house, in, indoors, industry, insert, mobile, need, outlet, panel, phone, plug, plugin, port, power, roaming, slot, smart, smartphone, socket, station, supply, technology, telephone, travel, usb, volt, voltage, wall, white, wire,