Ключевые слова: alarm, appliance, background, black, clock, closeup, concepts, device, digit, digital, diode, display, electric, electrical, electron, electronic, equipment, front, graphic, hour, instrument, lateness, led, light, minute, modern, monitor, morning, night, number, numerals, object, office, panel, plastic, red, reminder, sign, sleeping, symbol, technology, time, timer, type, wake, waking, watch, white, work, year,