Ключевые слова: 2d, add, charge, communicate, communication, computer, concept, connect, connecting, connection, connections, connector, contact, device, element, find, flat, free, hotspot, icon, illustration, internet, join, laptop, link, linkage, manager, mobile, modem, network, no, open, pc, share, signal, signals, smartphone, symbol, tablet, technology, tie, unpaid, up, wave, waves, web, wifi, wireless,