Ключевые слова: background, bank, battery, cable, call, cell, cellphone, charge, charger, concept, connection, design, device, electric, electrical, electricity, energy, face, flat, full, guy, hand, icon, illustration, isolated, line, low, male, man, mobile, modern, network, people, person, phone, plug, portrait, power, recharge, set, sign, smart, smartphone, supply, symbol, technology, voltage, white, young,