Ключевые слова: 404, 404 error, adapter, background, banner, black, cable, communication, concept, connect, connected, connection, cord, design, disconnect, disconnection, ecology, electric, electrical, electricity, energy, equipment, error, fail, flat, icon, idly, illustration, isolated, mistake, network, not found, object, off, outline, page, plug, sign, site, socket, sorry, technology, trouble, unplugged, volt, voltage, web, website, wire,