Ключевые слова: app, appliance, automatic, button, cellphone, closeup, communication, connection, conserve, control, cool, degree, device, digital, display, electric, electronic, energy, equipment, finger, hand, heat, heater, holding, home, household, indoors, man, mobile, number, people, person, power, radiator, regulator, remote, save, saving, screen, sign, switch, symbol, system, technology, temperature, text, thermometer, thermostat, utility, wireless,