Ключевые слова: app, application, begin, button, cellphone, circuit, computer, concept, control, device, digital, electric, electronic, end, energy, gadget, icon, interface, internet, macro, mobile, modern, off, online, over, pc, pda, phone, power, program, redone, reiterate, reload, reset, restart, screen, sign, smart, smartphone, software, start, stop, surfing, switch, symbol, tech, technology, telephone, turn, web,